Finding the Fourth Proportional to 2,826.18, 3,902.85 and 1,944.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.18 : 3,902.85 = 1,944.09 : x
2. Step 2: Convert to fraction form
   2,826.18/3,902.85 = 1,944.09/x
3. Step 3: Cross multiply
   2,826.18x = 3,902.85 × 1,944.09
4. Step 4: Simplify right side
   2,826.18x = 7,587,491.66
5. Step 5: Solve for x
   x = 7,587,491.66/2,826.18
6. Step 6: Final answer
   x = 2,684.72