Finding the Fourth Proportional to 18,662.52, 25,727.42 and 13,348.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,662.52 : 25,727.42 = 13,348.10 : x
2. Step 2: Convert to fraction form
   18,662.52/25,727.42 = 13,348.10/x
3. Step 3: Cross multiply
   18,662.52x = 25,727.42 × 13,348.10
4. Step 4: Simplify right side
   18,662.52x = 343,412,174.90
5. Step 5: Solve for x
   x = 343,412,174.90/18,662.52
6. Step 6: Final answer
   x = 18,401.17