Finding the Fourth Proportional to 2,294.74, 3,443.28 and 1,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.74 : 3,443.28 = 1,124.72 : x
2. Step 2: Convert to fraction form
   2,294.74/3,443.28 = 1,124.72/x
3. Step 3: Cross multiply
   2,294.74x = 3,443.28 × 1,124.72
4. Step 4: Simplify right side
   2,294.74x = 3,872,726.85
5. Step 5: Solve for x
   x = 3,872,726.85/2,294.74
6. Step 6: Final answer
   x = 1,687.66