Finding the Fourth Proportional to 2,826.54, 4,243.96 and 2,776.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.54 : 4,243.96 = 2,776.71 : x
2. Step 2: Convert to fraction form
   2,826.54/4,243.96 = 2,776.71/x
3. Step 3: Cross multiply
   2,826.54x = 4,243.96 × 2,776.71
4. Step 4: Simplify right side
   2,826.54x = 11,784,265.56
5. Step 5: Solve for x
   x = 11,784,265.56/2,826.54
6. Step 6: Final answer
   x = 4,169.15