Finding the Fourth Proportional to 102,551,513.86, 141,521,093.94 and 56,141,767.78

Step by Step Solution

1. Step 1: Write the proportion equation
   102,551,513.86 : 141,521,093.94 = 56,141,767.78 : x
2. Step 2: Convert to fraction form
   102,551,513.86/141,521,093.94 = 56,141,767.78/x
3. Step 3: Cross multiply
   102,551,513.86x = 141,521,093.94 × 56,141,767.78
4. Step 4: Simplify right side
   102,551,513.86x = 7,945,244,391,951,045
5. Step 5: Solve for x
   x = 7,945,244,391,951,045/102,551,513.86
6. Step 6: Final answer
   x = 77,475,642.17