Finding the Fourth Proportional to 16,581.88, 24,826.32 and 12,441.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.88 : 24,826.32 = 12,441.16 : x
2. Step 2: Convert to fraction form
   16,581.88/24,826.32 = 12,441.16/x
3. Step 3: Cross multiply
   16,581.88x = 24,826.32 × 12,441.16
4. Step 4: Simplify right side
   16,581.88x = 308,868,219.33
5. Step 5: Solve for x
   x = 308,868,219.33/16,581.88
6. Step 6: Final answer
   x = 18,626.85