Finding the Fourth Proportional to 23,540.48, 32,487.86 and 12,932.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.48 : 32,487.86 = 12,932.32 : x
2. Step 2: Convert to fraction form
   23,540.48/32,487.86 = 12,932.32/x
3. Step 3: Cross multiply
   23,540.48x = 32,487.86 × 12,932.32
4. Step 4: Simplify right side
   23,540.48x = 420,143,401.64
5. Step 5: Solve for x
   x = 420,143,401.64/23,540.48
6. Step 6: Final answer
   x = 17,847.70