Finding the Fourth Proportional to 131,879.67, 181,993.98 and 71,450.73

Step by Step Solution

1. Step 1: Write the proportion equation
   131,879.67 : 181,993.98 = 71,450.73 : x
2. Step 2: Convert to fraction form
   131,879.67/181,993.98 = 71,450.73/x
3. Step 3: Cross multiply
   131,879.67x = 181,993.98 × 71,450.73
4. Step 4: Simplify right side
   131,879.67x = 13,003,602,726.61
5. Step 5: Solve for x
   x = 13,003,602,726.61/131,879.67
6. Step 6: Final answer
   x = 98,602.03