Finding the Fourth Proportional to 23,849.20, 32,910.24 and 13,238.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,849.20 : 32,910.24 = 13,238.20 : x
2. Step 2: Convert to fraction form
   23,849.20/32,910.24 = 13,238.20/x
3. Step 3: Cross multiply
   23,849.20x = 32,910.24 × 13,238.20
4. Step 4: Simplify right side
   23,849.20x = 435,672,339.17
5. Step 5: Solve for x
   x = 435,672,339.17/23,849.20
6. Step 6: Final answer
   x = 18,267.80