Finding the Fourth Proportional to 2,288.72, 3,434.04 and 1,249.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.72 : 3,434.04 = 1,249.46 : x
2. Step 2: Convert to fraction form
   2,288.72/3,434.04 = 1,249.46/x
3. Step 3: Cross multiply
   2,288.72x = 3,434.04 × 1,249.46
4. Step 4: Simplify right side
   2,288.72x = 4,290,695.62
5. Step 5: Solve for x
   x = 4,290,695.62/2,288.72
6. Step 6: Final answer
   x = 1,874.71