Finding the Fourth Proportional to 3,908.72, 5,863.16 and 1,442.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908.72 : 5,863.16 = 1,442.27 : x
2. Step 2: Convert to fraction form
   3,908.72/5,863.16 = 1,442.27/x
3. Step 3: Cross multiply
   3,908.72x = 5,863.16 × 1,442.27
4. Step 4: Simplify right side
   3,908.72x = 8,456,252.56
5. Step 5: Solve for x
   x = 8,456,252.56/3,908.72
6. Step 6: Final answer
   x = 2,163.43