Finding the Fourth Proportional to 113,877,057.96, 157,161,580.74 and 64,991,799.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,877,057.96 : 157,161,580.74 = 64,991,799.72 : x
2. Step 2: Convert to fraction form
   113,877,057.96/157,161,580.74 = 64,991,799.72/x
3. Step 3: Cross multiply
   113,877,057.96x = 157,161,580.74 × 64,991,799.72
4. Step 4: Simplify right side
   113,877,057.96x = 10,214,213,979,132,690
5. Step 5: Solve for x
   x = 10,214,213,979,132,690/113,877,057.96
6. Step 6: Final answer
   x = 89,695,098.93