Finding the Fourth Proportional to 23,717.35, 32,728.66 and 13,106.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,717.35 : 32,728.66 = 13,106.30 : x
2. Step 2: Convert to fraction form
   23,717.35/32,728.66 = 13,106.30/x
3. Step 3: Cross multiply
   23,717.35x = 32,728.66 × 13,106.30
4. Step 4: Simplify right side
   23,717.35x = 428,951,440.15
5. Step 5: Solve for x
   x = 428,951,440.15/23,717.35
6. Step 6: Final answer
   x = 18,085.98