Finding the Fourth Proportional to 23,839.47, 32,898.50 and 13,229.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,839.47 : 32,898.50 = 13,229.10 : x
2. Step 2: Convert to fraction form
   23,839.47/32,898.50 = 13,229.10/x
3. Step 3: Cross multiply
   23,839.47x = 32,898.50 × 13,229.10
4. Step 4: Simplify right side
   23,839.47x = 435,217,480.20
5. Step 5: Solve for x
   x = 435,217,480.20/23,839.47
6. Step 6: Final answer
   x = 18,256.17