Finding the Fourth Proportional to 2,250.51, 3,105.70 and 1,255.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.51 : 3,105.70 = 1,255.99 : x
2. Step 2: Convert to fraction form
   2,250.51/3,105.70 = 1,255.99/x
3. Step 3: Cross multiply
   2,250.51x = 3,105.70 × 1,255.99
4. Step 4: Simplify right side
   2,250.51x = 3,900,728.14
5. Step 5: Solve for x
   x = 3,900,728.14/2,250.51
6. Step 6: Final answer
   x = 1,733.26