Finding the Fourth Proportional to 16,413.49, 22,650.89 and 8,961.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.49 : 22,650.89 = 8,961.49 : x
2. Step 2: Convert to fraction form
   16,413.49/22,650.89 = 8,961.49/x
3. Step 3: Cross multiply
   16,413.49x = 22,650.89 × 8,961.49
4. Step 4: Simplify right side
   16,413.49x = 202,985,679.42
5. Step 5: Solve for x
   x = 202,985,679.42/16,413.49
6. Step 6: Final answer
   x = 12,367.00