Finding the Fourth Proportional to 2,826.78, 3,900.82 and 1,567.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.78 : 3,900.82 = 1,567.73 : x
2. Step 2: Convert to fraction form
   2,826.78/3,900.82 = 1,567.73/x
3. Step 3: Cross multiply
   2,826.78x = 3,900.82 × 1,567.73
4. Step 4: Simplify right side
   2,826.78x = 6,115,424.70
5. Step 5: Solve for x
   x = 6,115,424.70/2,826.78
6. Step 6: Final answer
   x = 2,163.39