Finding the Fourth Proportional to 113,291.52, 156,324.78 and 65,549.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,291.52 : 156,324.78 = 65,549.32 : x
2. Step 2: Convert to fraction form
   113,291.52/156,324.78 = 65,549.32/x
3. Step 3: Cross multiply
   113,291.52x = 156,324.78 × 65,549.32
4. Step 4: Simplify right side
   113,291.52x = 10,246,983,028.15
5. Step 5: Solve for x
   x = 10,246,983,028.15/113,291.52
6. Step 6: Final answer
   x = 90,447.93