Excel Index match in DAX

[hari_bi]

Excel Formula for above one : =INDEX($AM$9:$AM$20,MATCH(D15,$E$9:$E$20,0))

Now i need to implement the same in DAX Calculated Measure.

First i need to get month from "ReportingMoth" cloumn then i need to search same moth in "FiscalMonth" column after taht need to get respected moth value from "monthsCover " column and finally need to display the same in value new column "MothsCoverMatch".

Here MothCover := Actual/Total is Calcualted Meaure.

Now i need to do same in Dax as Calcualted Measure/Column, Please provide the suggestinos to achieve this one.