Finding the Fourth Proportional to 102,647,406.72, 141,653,522.88 and 55,604,585.28

Step by Step Solution

1. Step 1: Write the proportion equation
   102,647,406.72 : 141,653,522.88 = 55,604,585.28 : x
2. Step 2: Convert to fraction form
   102,647,406.72/141,653,522.88 = 55,604,585.28/x
3. Step 3: Cross multiply
   102,647,406.72x = 141,653,522.88 × 55,604,585.28
4. Step 4: Simplify right side
   102,647,406.72x = 7,876,585,393,193,391
5. Step 5: Solve for x
   x = 7,876,585,393,193,391/102,647,406.72
6. Step 6: Final answer
   x = 76,734,382.73