Finding the Fourth Proportional to 2,574.57, 3,862.03 and 1,275.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.57 : 3,862.03 = 1,275.69 : x
2. Step 2: Convert to fraction form
   2,574.57/3,862.03 = 1,275.69/x
3. Step 3: Cross multiply
   2,574.57x = 3,862.03 × 1,275.69
4. Step 4: Simplify right side
   2,574.57x = 4,926,753.05
5. Step 5: Solve for x
   x = 4,926,753.05/2,574.57
6. Step 6: Final answer
   x = 1,913.62