Finding the Fourth Proportional to 2,700.28, 4,049.88 and 752.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.28 : 4,049.88 = 752.62 : x
2. Step 2: Convert to fraction form
   2,700.28/4,049.88 = 752.62/x
3. Step 3: Cross multiply
   2,700.28x = 4,049.88 × 752.62
4. Step 4: Simplify right side
   2,700.28x = 3,048,020.69
5. Step 5: Solve for x
   x = 3,048,020.69/2,700.28
6. Step 6: Final answer
   x = 1,128.78