Finding the Fourth Proportional to 3,959.69, 5,464.17 and 2,387.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.69 : 5,464.17 = 2,387.48 : x
2. Step 2: Convert to fraction form
   3,959.69/5,464.17 = 2,387.48/x
3. Step 3: Cross multiply
   3,959.69x = 5,464.17 × 2,387.48
4. Step 4: Simplify right side
   3,959.69x = 13,045,569.27
5. Step 5: Solve for x
   x = 13,045,569.27/3,959.69
6. Step 6: Final answer
   x = 3,294.60