Finding the Fourth Proportional to 2,760.52, 4,144.88 and 1,120.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.52 : 4,144.88 = 1,120.28 : x
2. Step 2: Convert to fraction form
   2,760.52/4,144.88 = 1,120.28/x
3. Step 3: Cross multiply
   2,760.52x = 4,144.88 × 1,120.28
4. Step 4: Simplify right side
   2,760.52x = 4,643,426.17
5. Step 5: Solve for x
   x = 4,643,426.17/2,760.52
6. Step 6: Final answer
   x = 1,682.08