Finding the Fourth Proportional to 23,396.46, 32,287.13 and 12,786.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,396.46 : 32,287.13 = 12,786.10 : x
2. Step 2: Convert to fraction form
   23,396.46/32,287.13 = 12,786.10/x
3. Step 3: Cross multiply
   23,396.46x = 32,287.13 × 12,786.10
4. Step 4: Simplify right side
   23,396.46x = 412,826,311.46
5. Step 5: Solve for x
   x = 412,826,311.46/23,396.46
6. Step 6: Final answer
   x = 17,644.82