Finding the Fourth Proportional to 2,250.21, 3,105.27 and 1,255.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.21 : 3,105.27 = 1,255.51 : x
2. Step 2: Convert to fraction form
   2,250.21/3,105.27 = 1,255.51/x
3. Step 3: Cross multiply
   2,250.21x = 3,105.27 × 1,255.51
4. Step 4: Simplify right side
   2,250.21x = 3,898,701.42
5. Step 5: Solve for x
   x = 3,898,701.42/2,250.21
6. Step 6: Final answer
   x = 1,732.59