Finding the Fourth Proportional to 16,516.72, 22,793.08 and 9,443.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.72 : 22,793.08 = 9,443.28 : x
2. Step 2: Convert to fraction form
   16,516.72/22,793.08 = 9,443.28/x
3. Step 3: Cross multiply
   16,516.72x = 22,793.08 × 9,443.28
4. Step 4: Simplify right side
   16,516.72x = 215,241,436.50
5. Step 5: Solve for x
   x = 215,241,436.50/16,516.72
6. Step 6: Final answer
   x = 13,031.73