Finding the Fourth Proportional to 4,118.72, 5,685.12 and 2,440.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.72 : 5,685.12 = 2,440.04 : x
2. Step 2: Convert to fraction form
   4,118.72/5,685.12 = 2,440.04/x
3. Step 3: Cross multiply
   4,118.72x = 5,685.12 × 2,440.04
4. Step 4: Simplify right side
   4,118.72x = 13,871,920.20
5. Step 5: Solve for x
   x = 13,871,920.20/4,118.72
6. Step 6: Final answer
   x = 3,368.02