Finding the Fourth Proportional to 113,397.85, 156,495.45 and 65,007.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,397.85 : 156,495.45 = 65,007.82 : x
2. Step 2: Convert to fraction form
   113,397.85/156,495.45 = 65,007.82/x
3. Step 3: Cross multiply
   113,397.85x = 156,495.45 × 65,007.82
4. Step 4: Simplify right side
   113,397.85x = 10,173,428,044.42
5. Step 5: Solve for x
   x = 10,173,428,044.42/113,397.85
6. Step 6: Final answer
   x = 89,714.47