Finding the Fourth Proportional to 2,250.60, 3,105.88 and 1,255.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.60 : 3,105.88 = 1,255.86 : x
2. Step 2: Convert to fraction form
   2,250.60/3,105.88 = 1,255.86/x
3. Step 3: Cross multiply
   2,250.60x = 3,105.88 × 1,255.86
4. Step 4: Simplify right side
   2,250.60x = 3,900,550.46
5. Step 5: Solve for x
   x = 3,900,550.46/2,250.60
6. Step 6: Final answer
   x = 1,733.12