Finding the Fourth Proportional to 32,142.72, 48,215.36 and 13,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   32,142.72 : 48,215.36 = 13,662.08 : x
2. Step 2: Convert to fraction form
   32,142.72/48,215.36 = 13,662.08/x
3. Step 3: Cross multiply
   32,142.72x = 48,215.36 × 13,662.08
4. Step 4: Simplify right side
   32,142.72x = 658,722,105.55
5. Step 5: Solve for x
   x = 658,722,105.55/32,142.72
6. Step 6: Final answer
   x = 20,493.66