Finding the Fourth Proportional to 102,400,947.30, 141,327,132.32 and 57,756,083.55

Step by Step Solution

1. Step 1: Write the proportion equation
   102,400,947.30 : 141,327,132.32 = 57,756,083.55 : x
2. Step 2: Convert to fraction form
   102,400,947.30/141,327,132.32 = 57,756,083.55/x
3. Step 3: Cross multiply
   102,400,947.30x = 141,327,132.32 × 57,756,083.55
4. Step 4: Simplify right side
   102,400,947.30x = 8,162,501,662,155,825
5. Step 5: Solve for x
   x = 8,162,501,662,155,825/102,400,947.30
6. Step 6: Final answer
   x = 79,711,192.89