Finding the Fourth Proportional to 2,281.72, 3,144.29 and 1,617.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.72 : 3,144.29 = 1,617.42 : x
2. Step 2: Convert to fraction form
   2,281.72/3,144.29 = 1,617.42/x
3. Step 3: Cross multiply
   2,281.72x = 3,144.29 × 1,617.42
4. Step 4: Simplify right side
   2,281.72x = 5,085,637.53
5. Step 5: Solve for x
   x = 5,085,637.53/2,281.72
6. Step 6: Final answer
   x = 2,228.86