Finding the Fourth Proportional to 2,764.56, 4,146.72 and 1,033.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.56 : 4,146.72 = 1,033.20 : x
2. Step 2: Convert to fraction form
   2,764.56/4,146.72 = 1,033.20/x
3. Step 3: Cross multiply
   2,764.56x = 4,146.72 × 1,033.20
4. Step 4: Simplify right side
   2,764.56x = 4,284,391.10
5. Step 5: Solve for x
   x = 4,284,391.10/2,764.56
6. Step 6: Final answer
   x = 1,549.76