Finding the Fourth Proportional to 2,574.57, 3,863.88 and 1,479.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.57 : 3,863.88 = 1,479.45 : x
2. Step 2: Convert to fraction form
   2,574.57/3,863.88 = 1,479.45/x
3. Step 3: Cross multiply
   2,574.57x = 3,863.88 × 1,479.45
4. Step 4: Simplify right side
   2,574.57x = 5,716,417.27
5. Step 5: Solve for x
   x = 5,716,417.27/2,574.57
6. Step 6: Final answer
   x = 2,220.34