Finding the Fourth Proportional to 2,519.33, 3,778.41 and 959.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.33 : 3,778.41 = 959.51 : x
2. Step 2: Convert to fraction form
   2,519.33/3,778.41 = 959.51/x
3. Step 3: Cross multiply
   2,519.33x = 3,778.41 × 959.51
4. Step 4: Simplify right side
   2,519.33x = 3,625,403.29
5. Step 5: Solve for x
   x = 3,625,403.29/2,519.33
6. Step 6: Final answer
   x = 1,439.03