Finding the Fourth Proportional to 2,609.22, 3,915.41 and 1,049.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.22 : 3,915.41 = 1,049.57 : x
2. Step 2: Convert to fraction form
   2,609.22/3,915.41 = 1,049.57/x
3. Step 3: Cross multiply
   2,609.22x = 3,915.41 × 1,049.57
4. Step 4: Simplify right side
   2,609.22x = 4,109,472.05
5. Step 5: Solve for x
   x = 4,109,472.05/2,609.22
6. Step 6: Final answer
   x = 1,574.98