Finding the Fourth Proportional to 2,250.50, 3,105.63 and 1,255.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.50 : 3,105.63 = 1,255.75 : x
2. Step 2: Convert to fraction form
   2,250.50/3,105.63 = 1,255.75/x
3. Step 3: Cross multiply
   2,250.50x = 3,105.63 × 1,255.75
4. Step 4: Simplify right side
   2,250.50x = 3,899,887.11
5. Step 5: Solve for x
   x = 3,899,887.11/2,250.50
6. Step 6: Final answer
   x = 1,732.90