Finding the Fourth Proportional to 102,829,065.89, 141,904,385.98 and 55,786,139.36

Step by Step Solution

1. Step 1: Write the proportion equation
   102,829,065.89 : 141,904,385.98 = 55,786,139.36 : x
2. Step 2: Convert to fraction form
   102,829,065.89/141,904,385.98 = 55,786,139.36/x
3. Step 3: Cross multiply
   102,829,065.89x = 141,904,385.98 × 55,786,139.36
4. Step 4: Simplify right side
   102,829,065.89x = 7,916,297,851,299,583
5. Step 5: Solve for x
   x = 7,916,297,851,299,583/102,829,065.89
6. Step 6: Final answer
   x = 76,985,021.53