Finding the Fourth Proportional to 2,826.20, 4,240.20 and 1,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.20 : 4,240.20 = 1,365.50 : x
2. Step 2: Convert to fraction form
   2,826.20/4,240.20 = 1,365.50/x
3. Step 3: Cross multiply
   2,826.20x = 4,240.20 × 1,365.50
4. Step 4: Simplify right side
   2,826.20x = 5,789,993.10
5. Step 5: Solve for x
   x = 5,789,993.10/2,826.20
6. Step 6: Final answer
   x = 2,048.68