Finding the Fourth Proportional to 2,500.49, 3,751.19 and 1,039.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.49 : 3,751.19 = 1,039.76 : x
2. Step 2: Convert to fraction form
   2,500.49/3,751.19 = 1,039.76/x
3. Step 3: Cross multiply
   2,500.49x = 3,751.19 × 1,039.76
4. Step 4: Simplify right side
   2,500.49x = 3,900,321.16
5. Step 5: Solve for x
   x = 3,900,321.16/2,500.49
6. Step 6: Final answer
   x = 1,559.83