Finding the Fourth Proportional to 131,782.28, 181,858.72 and 71,352.73

Step by Step Solution

1. Step 1: Write the proportion equation
   131,782.28 : 181,858.72 = 71,352.73 : x
2. Step 2: Convert to fraction form
   131,782.28/181,858.72 = 71,352.73/x
3. Step 3: Cross multiply
   131,782.28x = 181,858.72 × 71,352.73
4. Step 4: Simplify right side
   131,782.28x = 12,976,115,513.28
5. Step 5: Solve for x
   x = 12,976,115,513.28/131,782.28
6. Step 6: Final answer
   x = 98,466.32