Finding the Fourth Proportional to 2,249.78, 3,103.96 and 1,254.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.78 : 3,103.96 = 1,254.88 : x
2. Step 2: Convert to fraction form
   2,249.78/3,103.96 = 1,254.88/x
3. Step 3: Cross multiply
   2,249.78x = 3,103.96 × 1,254.88
4. Step 4: Simplify right side
   2,249.78x = 3,895,097.32
5. Step 5: Solve for x
   x = 3,895,097.32/2,249.78
6. Step 6: Final answer
   x = 1,731.32