Finding the Fourth Proportional to 2,249.78, 3,104.73 and 1,255.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.78 : 3,104.73 = 1,255.10 : x
2. Step 2: Convert to fraction form
   2,249.78/3,104.73 = 1,255.10/x
3. Step 3: Cross multiply
   2,249.78x = 3,104.73 × 1,255.10
4. Step 4: Simplify right side
   2,249.78x = 3,896,731.10
5. Step 5: Solve for x
   x = 3,896,731.10/2,249.78
6. Step 6: Final answer
   x = 1,732.05