Finding the Fourth Proportional to 23,550.15, 32,498.82 and 12,939.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.15 : 32,498.82 = 12,939.78 : x
2. Step 2: Convert to fraction form
   23,550.15/32,498.82 = 12,939.78/x
3. Step 3: Cross multiply
   23,550.15x = 32,498.82 × 12,939.78
4. Step 4: Simplify right side
   23,550.15x = 420,527,581.06
5. Step 5: Solve for x
   x = 420,527,581.06/23,550.15
6. Step 6: Final answer
   x = 17,856.68