Finding the Fourth Proportional to 16,488.26, 22,753.30 and 9,413.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.26 : 22,753.30 = 9,413.30 : x
2. Step 2: Convert to fraction form
   16,488.26/22,753.30 = 9,413.30/x
3. Step 3: Cross multiply
   16,488.26x = 22,753.30 × 9,413.30
4. Step 4: Simplify right side
   16,488.26x = 214,183,501.59
5. Step 5: Solve for x
   x = 214,183,501.59/16,488.26
6. Step 6: Final answer
   x = 12,990.06