Finding the Fourth Proportional to 2,574.52, 3,862.49 and 1,013.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.52 : 3,862.49 = 1,013.56 : x
2. Step 2: Convert to fraction form
   2,574.52/3,862.49 = 1,013.56/x
3. Step 3: Cross multiply
   2,574.52x = 3,862.49 × 1,013.56
4. Step 4: Simplify right side
   2,574.52x = 3,914,848.59
5. Step 5: Solve for x
   x = 3,914,848.59/2,574.52
6. Step 6: Final answer
   x = 1,520.62