Finding the Fourth Proportional to 2,608.16, 3,912.96 and 1,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.16 : 3,912.96 = 1,049.25 : x
2. Step 2: Convert to fraction form
   2,608.16/3,912.96 = 1,049.25/x
3. Step 3: Cross multiply
   2,608.16x = 3,912.96 × 1,049.25
4. Step 4: Simplify right side
   2,608.16x = 4,105,673.28
5. Step 5: Solve for x
   x = 4,105,673.28/2,608.16
6. Step 6: Final answer
   x = 1,574.17