Finding the Fourth Proportional to 158,091,645, 218,189,382.71 and 91,097,569.38

Step by Step Solution

1. Step 1: Write the proportion equation
   158,091,645 : 218,189,382.71 = 91,097,569.38 : x
2. Step 2: Convert to fraction form
   158,091,645/218,189,382.71 = 91,097,569.38/x
3. Step 3: Cross multiply
   158,091,645x = 218,189,382.71 × 91,097,569.38
4. Step 4: Simplify right side
   158,091,645x = 19,876,522,428,948,108
5. Step 5: Solve for x
   x = 19,876,522,428,948,108/158,091,645
6. Step 6: Final answer
   x = 125,727,848.74