Finding the Fourth Proportional to 23,728.92, 32,745.72 and 13,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.92 : 32,745.72 = 13,118.34 : x
2. Step 2: Convert to fraction form
   23,728.92/32,745.72 = 13,118.34/x
3. Step 3: Cross multiply
   23,728.92x = 32,745.72 × 13,118.34
4. Step 4: Simplify right side
   23,728.92x = 429,569,488.50
5. Step 5: Solve for x
   x = 429,569,488.50/23,728.92
6. Step 6: Final answer
   x = 18,103.20