Finding the Fourth Proportional to 16,324.72, 22,528.16 and 8,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,324.72 : 22,528.16 = 8,872.72 : x
2. Step 2: Convert to fraction form
   16,324.72/22,528.16 = 8,872.72/x
3. Step 3: Cross multiply
   16,324.72x = 22,528.16 × 8,872.72
4. Step 4: Simplify right side
   16,324.72x = 199,886,055.80
5. Step 5: Solve for x
   x = 199,886,055.80/16,324.72
6. Step 6: Final answer
   x = 12,244.38