Finding the Fourth Proportional to 2,155,948.80, 3,236,166.24 and 1,587,971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,948.80 : 3,236,166.24 = 1,587,971.25 : x
2. Step 2: Convert to fraction form
   2,155,948.80/3,236,166.24 = 1,587,971.25/x
3. Step 3: Cross multiply
   2,155,948.80x = 3,236,166.24 × 1,587,971.25
4. Step 4: Simplify right side
   2,155,948.80x = 5,138,938,949,340.60
5. Step 5: Solve for x
   x = 5,138,938,949,340.60/2,155,948.80
6. Step 6: Final answer
   x = 2,383,608.99