Finding the Fourth Proportional to 116,238.27, 160,425.72 and 65,272.08

Step by Step Solution

1. Step 1: Write the proportion equation
   116,238.27 : 160,425.72 = 65,272.08 : x
2. Step 2: Convert to fraction form
   116,238.27/160,425.72 = 65,272.08/x
3. Step 3: Cross multiply
   116,238.27x = 160,425.72 × 65,272.08
4. Step 4: Simplify right side
   116,238.27x = 10,471,320,429.90
5. Step 5: Solve for x
   x = 10,471,320,429.90/116,238.27
6. Step 6: Final answer
   x = 90,084.96