Finding the Fourth Proportional to 113,602.50, 156,771.50 and 65,883.51

Step by Step Solution

1. Step 1: Write the proportion equation
   113,602.50 : 156,771.50 = 65,883.51 : x
2. Step 2: Convert to fraction form
   113,602.50/156,771.50 = 65,883.51/x
3. Step 3: Cross multiply
   113,602.50x = 156,771.50 × 65,883.51
4. Step 4: Simplify right side
   113,602.50x = 10,328,656,358.55
5. Step 5: Solve for x
   x = 10,328,656,358.55/113,602.50
6. Step 6: Final answer
   x = 90,919.27