Creating a multi series line chart with different data providers

I have 3 data providers of the same structure i.e ArrayCollection of DataElement and want to use them to create a multiseries line chart. I do not have just 1 dataProvider that can be used but 3 different data providers of the same structure that i want to use each for different series.
[Bindable] private var orangeSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 101000, month: new Date( '01/01/2008' ) },
                        { sales: 960000, month: new Date( '02/01/2008' ) },
                        { sales: 475000, month: new Date( '03/01/2008' ) },
                        { sales: 425000, month: new Date( '04/01/2008' ) }
            [Bindable] private var appleSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 991000, month: new Date( '01/01/2008' ) },
                        { sales: 140000, month: new Date( '02/01/2008' ) },
                        { sales: 565000, month: new Date( '03/01/2008' ) },
                        { sales: 255000, month: new Date( '04/01/2008' ) }
            [Bindable] private var bananaSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 891000, month: new Date( '01/01/2008' ) },
                        { sales: 147560, month: new Date( '02/01/2008' ) },
                        { sales: 295000, month: new Date( '03/01/2008' ) },
                        { sales: 574000, month: new Date( '04/01/2008' ) }
I want to create a line chart with orangeSales, appleSales and bananaSales as three different lines on the chart for different dates specified.
<mx:ColumnChart showDataTips="true" >
        <mx:horizontalAxis>
            <mx:CategoryAxis
                dataProvider="{orangeSales}"
                categoryField="month"
                />
        </mx:horizontalAxis>
        <mx:series>
            <mx:LineSeries displayName="OrangeSales" yField="sales" xField="month" dataProvider="{orangeSales}"/>
            <mx:LineSeries displayName="AppleSales" yField="sales" xField="month" dataProvider="{appleSales}"/>
            <mx:LineSeries displayName="BananaSales" yField="sales" xField="month" dataProvider="{bananaSales}"/>
        </mx:series>
</mx:ColumnChart>
Please help!

Sorry for the confusion. Actually I must be doing some thing wrong like using ColumnChart to display a line chart or something like that.
I have now realized that a multi series line chart can be built by having a different data provider for each of the LineSeries object.
So the code below would create a multi series line graph :
[Bindable] private var orangeSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 101000, month: new Date( '01/01/2008' ) },
                        { sales: 960000, month: new Date( '02/01/2008' ) },
                        { sales: 475000, month: new Date( '03/01/2008' ) },
                        { sales: 425000, month: new Date( '04/01/2008' ) }
            [Bindable] private var appleSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 991000, month: new Date( '01/01/2008' ) },
                        { sales: 140000, month: new Date( '02/01/2008' ) },
                        { sales: 565000, month: new Date( '03/01/2008' ) },
                        { sales: 255000, month: new Date( '04/01/2008' ) }
            [Bindable] private var bananaSales : ArrayCollection =
                new ArrayCollection(
                    [ { sales: 891000, month: new Date( '01/01/2008' ) },
                        { sales: 147560, month: new Date( '02/01/2008' ) },
                        { sales: 295000, month: new Date( '03/01/2008' ) },
                        { sales: 574000, month: new Date( '04/01/2008' ) }
I want to create a line chart with orangeSales, appleSales and bananaSales as three different lines on the chart for different dates specified.
<mx:ColumnChart showDataTips="true" >
        <mx:horizontalAxis>
            <mx:CategoryAxis
                dataProvider="{orangeSales}"
                categoryField="month"
                />
        </mx:horizontalAxis>
        <mx:series>
            <mx:LineSeries displayName="OrangeSales" yField="sales" xField="month" dataProvider="{orangeSales}"/>
            <mx:LineSeries displayName="AppleSales" yField="sales" xField="month" dataProvider="{appleSales}"/>
            <mx:LineSeries displayName="BananaSales" yField="sales" xField="month" dataProvider="{bananaSales}"/>
        </mx:series>
</mx:ColumnChart>

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