Finding the Fourth Proportional to 24,008.52, 33,131.79 and 13,398.15

Step by Step Solution

1. Step 1: Write the proportion equation
   24,008.52 : 33,131.79 = 13,398.15 : x
2. Step 2: Convert to fraction form
   24,008.52/33,131.79 = 13,398.15/x
3. Step 3: Cross multiply
   24,008.52x = 33,131.79 × 13,398.15
4. Step 4: Simplify right side
   24,008.52x = 443,904,816.43
5. Step 5: Solve for x
   x = 443,904,816.43/24,008.52
6. Step 6: Final answer
   x = 18,489.47