Finding the Fourth Proportional to 23,898.72, 32,981.07 and 13,144.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,898.72 : 32,981.07 = 13,144.04 : x
2. Step 2: Convert to fraction form
   23,898.72/32,981.07 = 13,144.04/x
3. Step 3: Cross multiply
   23,898.72x = 32,981.07 × 13,144.04
4. Step 4: Simplify right side
   23,898.72x = 433,504,503.32
5. Step 5: Solve for x
   x = 433,504,503.32/23,898.72
6. Step 6: Final answer
   x = 18,139.24