Finding the Fourth Proportional to 2,250.15, 3,105.27 and 1,255.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.15 : 3,105.27 = 1,255.62 : x
2. Step 2: Convert to fraction form
   2,250.15/3,105.27 = 1,255.62/x
3. Step 3: Cross multiply
   2,250.15x = 3,105.27 × 1,255.62
4. Step 4: Simplify right side
   2,250.15x = 3,899,046.05
5. Step 5: Solve for x
   x = 3,899,046.05/2,250.15
6. Step 6: Final answer
   x = 1,732.79