Finding the Fourth Proportional to 2,550.56, 3,826.44 and 1,011.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.56 : 3,826.44 = 1,011.56 : x
2. Step 2: Convert to fraction form
   2,550.56/3,826.44 = 1,011.56/x
3. Step 3: Cross multiply
   2,550.56x = 3,826.44 × 1,011.56
4. Step 4: Simplify right side
   2,550.56x = 3,870,673.65
5. Step 5: Solve for x
   x = 3,870,673.65/2,550.56
6. Step 6: Final answer
   x = 1,517.58