Finding the Fourth Proportional to 2,250.54, 3,105.74 and 1,255.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.54 : 3,105.74 = 1,255.79 : x
2. Step 2: Convert to fraction form
   2,250.54/3,105.74 = 1,255.79/x
3. Step 3: Cross multiply
   2,250.54x = 3,105.74 × 1,255.79
4. Step 4: Simplify right side
   2,250.54x = 3,900,168.14
5. Step 5: Solve for x
   x = 3,900,168.14/2,250.54
6. Step 6: Final answer
   x = 1,732.99