Finding the Fourth Proportional to 2,500.61, 3,750.89 and 1,039.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.61 : 3,750.89 = 1,039.82 : x
2. Step 2: Convert to fraction form
   2,500.61/3,750.89 = 1,039.82/x
3. Step 3: Cross multiply
   2,500.61x = 3,750.89 × 1,039.82
4. Step 4: Simplify right side
   2,500.61x = 3,900,226.49
5. Step 5: Solve for x
   x = 3,900,226.49/2,500.61
6. Step 6: Final answer
   x = 1,559.71