Finding the Fourth Proportional to 3,839.29, 5,760.65 and 1,863.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.29 : 5,760.65 = 1,863.83 : x
2. Step 2: Convert to fraction form
   3,839.29/5,760.65 = 1,863.83/x
3. Step 3: Cross multiply
   3,839.29x = 5,760.65 × 1,863.83
4. Step 4: Simplify right side
   3,839.29x = 10,736,891.35
5. Step 5: Solve for x
   x = 10,736,891.35/3,839.29
6. Step 6: Final answer
   x = 2,796.58