Finding the Fourth Proportional to 2,757.69, 3,804.84 and 2,619.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.69 : 3,804.84 = 2,619.18 : x
2. Step 2: Convert to fraction form
   2,757.69/3,804.84 = 2,619.18/x
3. Step 3: Cross multiply
   2,757.69x = 3,804.84 × 2,619.18
4. Step 4: Simplify right side
   2,757.69x = 9,965,560.83
5. Step 5: Solve for x
   x = 9,965,560.83/2,757.69
6. Step 6: Final answer
   x = 3,613.73