Finding the Fourth Proportional to 158,091,646, 218,189,384.09 and 91,097,570.38

Step by Step Solution

1. Step 1: Write the proportion equation
   158,091,646 : 218,189,384.09 = 91,097,570.38 : x
2. Step 2: Convert to fraction form
   158,091,646/218,189,384.09 = 91,097,570.38/x
3. Step 3: Cross multiply
   158,091,646x = 218,189,384.09 × 91,097,570.38
4. Step 4: Simplify right side
   158,091,646x = 19,876,522,773,307,628
5. Step 5: Solve for x
   x = 19,876,522,773,307,628/158,091,646
6. Step 6: Final answer
   x = 125,727,850.12