Finding the Fourth Proportional to 16,516.72, 22,793.09 and 9,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.72 : 22,793.09 = 9,443.29 : x
2. Step 2: Convert to fraction form
   16,516.72/22,793.09 = 9,443.29/x
3. Step 3: Cross multiply
   16,516.72x = 22,793.09 × 9,443.29
4. Step 4: Simplify right side
   16,516.72x = 215,241,758.87
5. Step 5: Solve for x
   x = 215,241,758.87/16,516.72
6. Step 6: Final answer
   x = 13,031.75