Finding the Fourth Proportional to 2,434.88, 3,648.72 and 1,281.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.88 : 3,648.72 = 1,281.44 : x
2. Step 2: Convert to fraction form
   2,434.88/3,648.72 = 1,281.44/x
3. Step 3: Cross multiply
   2,434.88x = 3,648.72 × 1,281.44
4. Step 4: Simplify right side
   2,434.88x = 4,675,615.76
5. Step 5: Solve for x
   x = 4,675,615.76/2,434.88
6. Step 6: Final answer
   x = 1,920.27