Finding the Fourth Proportional to 16,049.97, 22,150.13 and 8,978.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,049.97 : 22,150.13 = 8,978.67 : x
2. Step 2: Convert to fraction form
   16,049.97/22,150.13 = 8,978.67/x
3. Step 3: Cross multiply
   16,049.97x = 22,150.13 × 8,978.67
4. Step 4: Simplify right side
   16,049.97x = 198,878,662.83
5. Step 5: Solve for x
   x = 198,878,662.83/16,049.97
6. Step 6: Final answer
   x = 12,391.22