Finding the Fourth Proportional to 102,713,887.47, 141,746,891.69 and 55,672,452.42

Step by Step Solution

1. Step 1: Write the proportion equation
   102,713,887.47 : 141,746,891.69 = 55,672,452.42 : x
2. Step 2: Convert to fraction form
   102,713,887.47/141,746,891.69 = 55,672,452.42/x
3. Step 3: Cross multiply
   102,713,887.47x = 141,746,891.69 × 55,672,452.42
4. Step 4: Simplify right side
   102,713,887.47x = 7,891,397,083,294,419
5. Step 5: Solve for x
   x = 7,891,397,083,294,419/102,713,887.47
6. Step 6: Final answer
   x = 76,828,920.39