Finding the Fourth Proportional to 16,413.50, 22,651.18 and 9,340.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.50 : 22,651.18 = 9,340.38 : x
2. Step 2: Convert to fraction form
   16,413.50/22,651.18 = 9,340.38/x
3. Step 3: Cross multiply
   16,413.50x = 22,651.18 × 9,340.38
4. Step 4: Simplify right side
   16,413.50x = 211,570,605.30
5. Step 5: Solve for x
   x = 211,570,605.30/16,413.50
6. Step 6: Final answer
   x = 12,890.03