Finding the Fourth Proportional to 23,716.26, 32,728.17 and 13,105.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,716.26 : 32,728.17 = 13,105.89 : x
2. Step 2: Convert to fraction form
   23,716.26/32,728.17 = 13,105.89/x
3. Step 3: Cross multiply
   23,716.26x = 32,728.17 × 13,105.89
4. Step 4: Simplify right side
   23,716.26x = 428,931,795.92
5. Step 5: Solve for x
   x = 428,931,795.92/23,716.26
6. Step 6: Final answer
   x = 18,085.98