Finding the Fourth Proportional to 113,596.08, 156,762.72 and 65,877.17

Step by Step Solution

1. Step 1: Write the proportion equation
   113,596.08 : 156,762.72 = 65,877.17 : x
2. Step 2: Convert to fraction form
   113,596.08/156,762.72 = 65,877.17/x
3. Step 3: Cross multiply
   113,596.08x = 156,762.72 × 65,877.17
4. Step 4: Simplify right side
   113,596.08x = 10,327,083,571.29
5. Step 5: Solve for x
   x = 10,327,083,571.29/113,596.08
6. Step 6: Final answer
   x = 90,910.56