Finding the Fourth Proportional to 16,487.36, 22,753.12 and 9,413.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,487.36 : 22,753.12 = 9,413.62 : x
2. Step 2: Convert to fraction form
   16,487.36/22,753.12 = 9,413.62/x
3. Step 3: Cross multiply
   16,487.36x = 22,753.12 × 9,413.62
4. Step 4: Simplify right side
   16,487.36x = 214,189,225.49
5. Step 5: Solve for x
   x = 214,189,225.49/16,487.36
6. Step 6: Final answer
   x = 12,991.12