Finding the Fourth Proportional to 116,626.55, 160,952.76 and 65,644.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,626.55 : 160,952.76 = 65,644.16 : x
2. Step 2: Convert to fraction form
   116,626.55/160,952.76 = 65,644.16/x
3. Step 3: Cross multiply
   116,626.55x = 160,952.76 × 65,644.16
4. Step 4: Simplify right side
   116,626.55x = 10,565,607,925.12
5. Step 5: Solve for x
   x = 10,565,607,925.12/116,626.55
6. Step 6: Final answer
   x = 90,593.51