Finding the Fourth Proportional to 113,108.91, 156,078.33 and 65,377.41

Step by Step Solution

1. Step 1: Write the proportion equation
   113,108.91 : 156,078.33 = 65,377.41 : x
2. Step 2: Convert to fraction form
   113,108.91/156,078.33 = 65,377.41/x
3. Step 3: Cross multiply
   113,108.91x = 156,078.33 × 65,377.41
4. Step 4: Simplify right side
   113,108.91x = 10,203,996,972.53
5. Step 5: Solve for x
   x = 10,203,996,972.53/113,108.91
6. Step 6: Final answer
   x = 90,213.91