Finding the Fourth Proportional to 16,047.72, 22,147.02 and 8,976.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,047.72 : 22,147.02 = 8,976.42 : x
2. Step 2: Convert to fraction form
   16,047.72/22,147.02 = 8,976.42/x
3. Step 3: Cross multiply
   16,047.72x = 22,147.02 × 8,976.42
4. Step 4: Simplify right side
   16,047.72x = 198,800,953.27
5. Step 5: Solve for x
   x = 198,800,953.27/16,047.72
6. Step 6: Final answer
   x = 12,388.11