Finding the Fourth Proportional to 2,519.50, 3,780.05 and 1,039.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.50 : 3,780.05 = 1,039.41 : x
2. Step 2: Convert to fraction form
   2,519.50/3,780.05 = 1,039.41/x
3. Step 3: Cross multiply
   2,519.50x = 3,780.05 × 1,039.41
4. Step 4: Simplify right side
   2,519.50x = 3,929,016.57
5. Step 5: Solve for x
   x = 3,929,016.57/2,519.50
6. Step 6: Final answer
   x = 1,559.45