Finding the Fourth Proportional to 16,049.79, 22,149.59 and 8,976.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,049.79 : 22,149.59 = 8,976.06 : x
2. Step 2: Convert to fraction form
   16,049.79/22,149.59 = 8,976.06/x
3. Step 3: Cross multiply
   16,049.79x = 22,149.59 × 8,976.06
4. Step 4: Simplify right side
   16,049.79x = 198,816,003.94
5. Step 5: Solve for x
   x = 198,816,003.94/16,049.79
6. Step 6: Final answer
   x = 12,387.45