Finding the Fourth Proportional to 72,098,404.80, 99,495,389.79 and 39,059,300.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,098,404.80 : 99,495,389.79 = 39,059,300.13 : x
2. Step 2: Convert to fraction form
   72,098,404.80/99,495,389.79 = 39,059,300.13/x
3. Step 3: Cross multiply
   72,098,404.80x = 99,495,389.79 × 39,059,300.13
4. Step 4: Simplify right side
   72,098,404.80x = 3,886,220,291,358,948
5. Step 5: Solve for x
   x = 3,886,220,291,358,948/72,098,404.80
6. Step 6: Final answer
   x = 53,901,612.69