Finding the Fourth Proportional to 3,959.88, 5,464.83 and 2,388.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.88 : 5,464.83 = 2,388.07 : x
2. Step 2: Convert to fraction form
   3,959.88/5,464.83 = 2,388.07/x
3. Step 3: Cross multiply
   3,959.88x = 5,464.83 × 2,388.07
4. Step 4: Simplify right side
   3,959.88x = 13,050,396.58
5. Step 5: Solve for x
   x = 13,050,396.58/3,959.88
6. Step 6: Final answer
   x = 3,295.65