Finding the Fourth Proportional to 131,789.10, 181,869.24 and 71,360.46

Step by Step Solution

1. Step 1: Write the proportion equation
   131,789.10 : 181,869.24 = 71,360.46 : x
2. Step 2: Convert to fraction form
   131,789.10/181,869.24 = 71,360.46/x
3. Step 3: Cross multiply
   131,789.10x = 181,869.24 × 71,360.46
4. Step 4: Simplify right side
   131,789.10x = 12,978,272,626.25
5. Step 5: Solve for x
   x = 12,978,272,626.25/131,789.10
6. Step 6: Final answer
   x = 98,477.59