Finding the Fourth Proportional to 158,461,414.59, 218,672,532.71 and 91,478,112.09

Step by Step Solution

1. Step 1: Write the proportion equation
   158,461,414.59 : 218,672,532.71 = 91,478,112.09 : x
2. Step 2: Convert to fraction form
   158,461,414.59/218,672,532.71 = 91,478,112.09/x
3. Step 3: Cross multiply
   158,461,414.59x = 218,672,532.71 × 91,478,112.09
4. Step 4: Simplify right side
   158,461,414.59x = 20,003,750,457,792,184
5. Step 5: Solve for x
   x = 20,003,750,457,792,184/158,461,414.59
6. Step 6: Final answer
   x = 126,237,358.85