Finding the Fourth Proportional to 132,413.82, 182,728.89 and 71,985.96

Step by Step Solution

1. Step 1: Write the proportion equation
   132,413.82 : 182,728.89 = 71,985.96 : x
2. Step 2: Convert to fraction form
   132,413.82/182,728.89 = 71,985.96/x
3. Step 3: Cross multiply
   132,413.82x = 182,728.89 × 71,985.96
4. Step 4: Simplify right side
   132,413.82x = 13,153,914,566.38
5. Step 5: Solve for x
   x = 13,153,914,566.38/132,413.82
6. Step 6: Final answer
   x = 99,339.44