Finding the Fourth Proportional to 16,488.43, 22,761.91 and 9,413.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.43 : 22,761.91 = 9,413.48 : x
2. Step 2: Convert to fraction form
   16,488.43/22,761.91 = 9,413.48/x
3. Step 3: Cross multiply
   16,488.43x = 22,761.91 × 9,413.48
4. Step 4: Simplify right side
   16,488.43x = 214,268,784.55
5. Step 5: Solve for x
   x = 214,268,784.55/16,488.43
6. Step 6: Final answer
   x = 12,995.10