Finding the Fourth Proportional to 16,508.31, 24,761.61 and 5,413.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,508.31 : 24,761.61 = 5,413.54 : x
2. Step 2: Convert to fraction form
   16,508.31/24,761.61 = 5,413.54/x
3. Step 3: Cross multiply
   16,508.31x = 24,761.61 × 5,413.54
4. Step 4: Simplify right side
   16,508.31x = 134,047,935.50
5. Step 5: Solve for x
   x = 134,047,935.50/16,508.31
6. Step 6: Final answer
   x = 8,120.03