Finding the Fourth Proportional to 23,728.48, 32,745.12 and 13,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.48 : 32,745.12 = 13,118.56 : x
2. Step 2: Convert to fraction form
   23,728.48/32,745.12 = 13,118.56/x
3. Step 3: Cross multiply
   23,728.48x = 32,745.12 × 13,118.56
4. Step 4: Simplify right side
   23,728.48x = 429,568,821.43
5. Step 5: Solve for x
   x = 429,568,821.43/23,728.48
6. Step 6: Final answer
   x = 18,103.51