Finding the Fourth Proportional to 16,248.72, 22,423.38 and 8,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,248.72 : 22,423.38 = 8,796.72 : x
2. Step 2: Convert to fraction form
   16,248.72/22,423.38 = 8,796.72/x
3. Step 3: Cross multiply
   16,248.72x = 22,423.38 × 8,796.72
4. Step 4: Simplify right side
   16,248.72x = 197,252,195.31
5. Step 5: Solve for x
   x = 197,252,195.31/16,248.72
6. Step 6: Final answer
   x = 12,139.55