Finding the Fourth Proportional to 2,704.17, 4,057.25 and 949.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,704.17 : 4,057.25 = 949.31 : x
2. Step 2: Convert to fraction form
   2,704.17/4,057.25 = 949.31/x
3. Step 3: Cross multiply
   2,704.17x = 4,057.25 × 949.31
4. Step 4: Simplify right side
   2,704.17x = 3,851,562.96
5. Step 5: Solve for x
   x = 3,851,562.96/2,704.17
6. Step 6: Final answer
   x = 1,424.31