Hi David ,
Try this array formula , to be entered using CTRL SHIFT ENTER :
=INDEX($A$1:$A$11 & "," & $B$1:$B$11 & "," & $C$1:$C$11,MATCH(MAX(SUBTOTAL(9,OFFSET($A1:$C1,ROW(OFFSET($A$1:$A$11,,))-1,))),SUBTOTAL(9,OFFSET($A1:$C1,ROW(OFFSET($A$1:$A$11,,))-1,)),0),{1,2,3})
Narayan