Finding the Fourth Proportional to 2,826.05, 4,241.69 and 1,440.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.05 : 4,241.69 = 1,440.38 : x
2. Step 2: Convert to fraction form
   2,826.05/4,241.69 = 1,440.38/x
3. Step 3: Cross multiply
   2,826.05x = 4,241.69 × 1,440.38
4. Step 4: Simplify right side
   2,826.05x = 6,109,617.03
5. Step 5: Solve for x
   x = 6,109,617.03/2,826.05
6. Step 6: Final answer
   x = 2,161.90