Finding the Fourth Proportional to 131,791.52, 181,825.25 and 80,785.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,791.52 : 181,825.25 = 80,785.82 : x
2. Step 2: Convert to fraction form
   131,791.52/181,825.25 = 80,785.82/x
3. Step 3: Cross multiply
   131,791.52x = 181,825.25 × 80,785.82
4. Step 4: Simplify right side
   131,791.52x = 14,688,901,968.59
5. Step 5: Solve for x
   x = 14,688,901,968.59/131,791.52
6. Step 6: Final answer
   x = 111,455.59