Finding the Fourth Proportional to 23,391.72, 32,281.25 and 12,782.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,391.72 : 32,281.25 = 12,782.04 : x
2. Step 2: Convert to fraction form
   23,391.72/32,281.25 = 12,782.04/x
3. Step 3: Cross multiply
   23,391.72x = 32,281.25 × 12,782.04
4. Step 4: Simplify right side
   23,391.72x = 412,620,228.75
5. Step 5: Solve for x
   x = 412,620,228.75/23,391.72
6. Step 6: Final answer
   x = 17,639.58