Finding the Fourth Proportional to 113,898,059.36, 157,193,132.16 and 64,340,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,898,059.36 : 157,193,132.16 = 64,340,522.72 : x
2. Step 2: Convert to fraction form
   113,898,059.36/157,193,132.16 = 64,340,522.72/x
3. Step 3: Cross multiply
   113,898,059.36x = 157,193,132.16 × 64,340,522.72
4. Step 4: Simplify right side
   113,898,059.36x = 10,113,888,291,168,442
5. Step 5: Solve for x
   x = 10,113,888,291,168,442/113,898,059.36
6. Step 6: Final answer
   x = 88,797,722.70