Finding the Fourth Proportional to 23,355.43, 32,231.27 and 12,745.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,355.43 : 32,231.27 = 12,745.64 : x
2. Step 2: Convert to fraction form
   23,355.43/32,231.27 = 12,745.64/x
3. Step 3: Cross multiply
   23,355.43x = 32,231.27 × 12,745.64
4. Step 4: Simplify right side
   23,355.43x = 410,808,276.61
5. Step 5: Solve for x
   x = 410,808,276.61/23,355.43
6. Step 6: Final answer
   x = 17,589.41