Finding the Fourth Proportional to 102,713,884.79, 141,746,887.98 and 55,672,449.73

Step by Step Solution

1. Step 1: Write the proportion equation
   102,713,884.79 : 141,746,887.98 = 55,672,449.73 : x
2. Step 2: Convert to fraction form
   102,713,884.79/141,746,887.98 = 55,672,449.73/x
3. Step 3: Cross multiply
   102,713,884.79x = 141,746,887.98 × 55,672,449.73
4. Step 4: Simplify right side
   102,713,884.79x = 7,891,396,495,096,123
5. Step 5: Solve for x
   x = 7,891,396,495,096,123/102,713,884.79
6. Step 6: Final answer
   x = 76,828,916.67