Finding the Fourth Proportional to 23,423.20, 32,320.17 and 13,351.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,423.20 : 32,320.17 = 13,351.82 : x
2. Step 2: Convert to fraction form
   23,423.20/32,320.17 = 13,351.82/x
3. Step 3: Cross multiply
   23,423.20x = 32,320.17 × 13,351.82
4. Step 4: Simplify right side
   23,423.20x = 431,532,930.61
5. Step 5: Solve for x
   x = 431,532,930.61/23,423.20
6. Step 6: Final answer
   x = 18,423.31