Finding the Fourth Proportional to 113,233.96, 156,281.72 and 65,515.24

Step by Step Solution

1. Step 1: Write the proportion equation
   113,233.96 : 156,281.72 = 65,515.24 : x
2. Step 2: Convert to fraction form
   113,233.96/156,281.72 = 65,515.24/x
3. Step 3: Cross multiply
   113,233.96x = 156,281.72 × 65,515.24
4. Step 4: Simplify right side
   113,233.96x = 10,238,834,393.41
5. Step 5: Solve for x
   x = 10,238,834,393.41/113,233.96
6. Step 6: Final answer
   x = 90,421.94