Finding the Fourth Proportional to 86,107,245, 129,221,393.82 and 77,874,560.52

Step by Step Solution

1. Step 1: Write the proportion equation
   86,107,245 : 129,221,393.82 = 77,874,560.52 : x
2. Step 2: Convert to fraction form
   86,107,245/129,221,393.82 = 77,874,560.52/x
3. Step 3: Cross multiply
   86,107,245x = 129,221,393.82 × 77,874,560.52
4. Step 4: Simplify right side
   86,107,245x = 10,063,059,253,514,342
5. Step 5: Solve for x
   x = 10,063,059,253,514,342/86,107,245
6. Step 6: Final answer
   x = 116,866,580.20