Finding the Fourth Proportional to 4,118.20, 5,682.72 and 2,439.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.20 : 5,682.72 = 2,439.61 : x
2. Step 2: Convert to fraction form
   4,118.20/5,682.72 = 2,439.61/x
3. Step 3: Cross multiply
   4,118.20x = 5,682.72 × 2,439.61
4. Step 4: Simplify right side
   4,118.20x = 13,863,586.03
5. Step 5: Solve for x
   x = 13,863,586.03/4,118.20
6. Step 6: Final answer
   x = 3,366.42