Finding the Fourth Proportional to 102,231,139.61, 141,078,410.02 and 55,821,063.17

Step by Step Solution

1. Step 1: Write the proportion equation
   102,231,139.61 : 141,078,410.02 = 55,821,063.17 : x
2. Step 2: Convert to fraction form
   102,231,139.61/141,078,410.02 = 55,821,063.17/x
3. Step 3: Cross multiply
   102,231,139.61x = 141,078,410.02 × 55,821,063.17
4. Step 4: Simplify right side
   102,231,139.61x = 7,875,146,837,649,582
5. Step 5: Solve for x
   x = 7,875,146,837,649,582/102,231,139.61
6. Step 6: Final answer
   x = 77,032,759.96