Finding the Fourth Proportional to 23,728.47, 32,747.69 and 13,657.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.47 : 32,747.69 = 13,657.34 : x
2. Step 2: Convert to fraction form
   23,728.47/32,747.69 = 13,657.34/x
3. Step 3: Cross multiply
   23,728.47x = 32,747.69 × 13,657.34
4. Step 4: Simplify right side
   23,728.47x = 447,246,104.52
5. Step 5: Solve for x
   x = 447,246,104.52/23,728.47
6. Step 6: Final answer
   x = 18,848.50