Finding the Fourth Proportional to 3,249.76, 4,486.72 and 2,254.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,249.76 : 4,486.72 = 2,254.72 : x
2. Step 2: Convert to fraction form
   3,249.76/4,486.72 = 2,254.72/x
3. Step 3: Cross multiply
   3,249.76x = 4,486.72 × 2,254.72
4. Step 4: Simplify right side
   3,249.76x = 10,116,297.32
5. Step 5: Solve for x
   x = 10,116,297.32/3,249.76
6. Step 6: Final answer
   x = 3,112.94