Finding the Fourth Proportional to 2,500.68, 3,751.97 and 1,039.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.68 : 3,751.97 = 1,039.71 : x
2. Step 2: Convert to fraction form
   2,500.68/3,751.97 = 1,039.71/x
3. Step 3: Cross multiply
   2,500.68x = 3,751.97 × 1,039.71
4. Step 4: Simplify right side
   2,500.68x = 3,900,955.53
5. Step 5: Solve for x
   x = 3,900,955.53/2,500.68
6. Step 6: Final answer
   x = 1,559.96