Finding the Fourth Proportional to 23,728.18, 32,744.40 and 13,117.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.18 : 32,744.40 = 13,117.58 : x
2. Step 2: Convert to fraction form
   23,728.18/32,744.40 = 13,117.58/x
3. Step 3: Cross multiply
   23,728.18x = 32,744.40 × 13,117.58
4. Step 4: Simplify right side
   23,728.18x = 429,527,286.55
5. Step 5: Solve for x
   x = 429,527,286.55/23,728.18
6. Step 6: Final answer
   x = 18,101.99