Finding the Fourth Proportional to 2,250.63, 3,105.84 and 1,255.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.63 : 3,105.84 = 1,255.89 : x
2. Step 2: Convert to fraction form
   2,250.63/3,105.84 = 1,255.89/x
3. Step 3: Cross multiply
   2,250.63x = 3,105.84 × 1,255.89
4. Step 4: Simplify right side
   2,250.63x = 3,900,593.40
5. Step 5: Solve for x
   x = 3,900,593.40/2,250.63
6. Step 6: Final answer
   x = 1,733.11