Finding the Fourth Proportional to 2,826.21, 4,242.78 and 2,714.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.21 : 4,242.78 = 2,714.73 : x
2. Step 2: Convert to fraction form
   2,826.21/4,242.78 = 2,714.73/x
3. Step 3: Cross multiply
   2,826.21x = 4,242.78 × 2,714.73
4. Step 4: Simplify right side
   2,826.21x = 11,517,992.21
5. Step 5: Solve for x
   x = 11,517,992.21/2,826.21
6. Step 6: Final answer
   x = 4,075.41