Finding the Fourth Proportional to 116,552.16, 160,837.92 and 65,565.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,552.16 : 160,837.92 = 65,565.72 : x
2. Step 2: Convert to fraction form
   116,552.16/160,837.92 = 65,565.72/x
3. Step 3: Cross multiply
   116,552.16x = 160,837.92 × 65,565.72
4. Step 4: Simplify right side
   116,552.16x = 10,545,454,028.10
5. Step 5: Solve for x
   x = 10,545,454,028.10/116,552.16
6. Step 6: Final answer
   x = 90,478.41