Finding the Fourth Proportional to 16,320.42, 22,524.05 and 9,152.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320.42 : 22,524.05 = 9,152.28 : x
2. Step 2: Convert to fraction form
   16,320.42/22,524.05 = 9,152.28/x
3. Step 3: Cross multiply
   16,320.42x = 22,524.05 × 9,152.28
4. Step 4: Simplify right side
   16,320.42x = 206,146,366.57
5. Step 5: Solve for x
   x = 206,146,366.57/16,320.42
6. Step 6: Final answer
   x = 12,631.19