Finding the Fourth Proportional to 158,511,839.20, 218,747,922.57 and 88,895,725.42

Step by Step Solution

1. Step 1: Write the proportion equation
   158,511,839.20 : 218,747,922.57 = 88,895,725.42 : x
2. Step 2: Convert to fraction form
   158,511,839.20/218,747,922.57 = 88,895,725.42/x
3. Step 3: Cross multiply
   158,511,839.20x = 218,747,922.57 × 88,895,725.42
4. Step 4: Simplify right side
   158,511,839.20x = 19,445,755,260,978,140
5. Step 5: Solve for x
   x = 19,445,755,260,978,140/158,511,839.20
6. Step 6: Final answer
   x = 122,676,989.68