Finding the Fourth Proportional to 16,050.29, 22,151.49 and 8,978.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,050.29 : 22,151.49 = 8,978.18 : x
2. Step 2: Convert to fraction form
   16,050.29/22,151.49 = 8,978.18/x
3. Step 3: Cross multiply
   16,050.29x = 22,151.49 × 8,978.18
4. Step 4: Simplify right side
   16,050.29x = 198,880,064.49
5. Step 5: Solve for x
   x = 198,880,064.49/16,050.29
6. Step 6: Final answer
   x = 12,391.06