Finding the Fourth Proportional to 16,422.72, 24,644.32 and 9,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.72 : 24,644.32 = 9,510.72 : x
2. Step 2: Convert to fraction form
   16,422.72/24,644.32 = 9,510.72/x
3. Step 3: Cross multiply
   16,422.72x = 24,644.32 × 9,510.72
4. Step 4: Simplify right side
   16,422.72x = 234,385,227.11
5. Step 5: Solve for x
   x = 234,385,227.11/16,422.72
6. Step 6: Final answer
   x = 14,272.01