Finding the Fourth Proportional to 113,501.90, 156,618.90 and 65,101.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,501.90 : 156,618.90 = 65,101.32 : x
2. Step 2: Convert to fraction form
   113,501.90/156,618.90 = 65,101.32/x
3. Step 3: Cross multiply
   113,501.90x = 156,618.90 × 65,101.32
4. Step 4: Simplify right side
   113,501.90x = 10,196,097,126.95
5. Step 5: Solve for x
   x = 10,196,097,126.95/113,501.90
6. Step 6: Final answer
   x = 89,831.95