Finding the Fourth Proportional to 116,534.37, 160,831.71 and 65,549.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116,534.37 : 160,831.71 = 65,549.25 : x
2. Step 2: Convert to fraction form
   116,534.37/160,831.71 = 65,549.25/x
3. Step 3: Cross multiply
   116,534.37x = 160,831.71 × 65,549.25
4. Step 4: Simplify right side
   116,534.37x = 10,542,397,966.72
5. Step 5: Solve for x
   x = 10,542,397,966.72/116,534.37
6. Step 6: Final answer
   x = 90,466.00