Finding the Fourth Proportional to 2,480.71, 3,721.38 and 1,019.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.71 : 3,721.38 = 1,019.74 : x
2. Step 2: Convert to fraction form
   2,480.71/3,721.38 = 1,019.74/x
3. Step 3: Cross multiply
   2,480.71x = 3,721.38 × 1,019.74
4. Step 4: Simplify right side
   2,480.71x = 3,794,840.04
5. Step 5: Solve for x
   x = 3,794,840.04/2,480.71
6. Step 6: Final answer
   x = 1,529.74