Finding the Fourth Proportional to 2,675.82, 4,012.18 and 826.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,675.82 : 4,012.18 = 826.44 : x
2. Step 2: Convert to fraction form
   2,675.82/4,012.18 = 826.44/x
3. Step 3: Cross multiply
   2,675.82x = 4,012.18 × 826.44
4. Step 4: Simplify right side
   2,675.82x = 3,315,826.04
5. Step 5: Solve for x
   x = 3,315,826.04/2,675.82
6. Step 6: Final answer
   x = 1,239.18