Finding the Fourth Proportional to 3,983.90, 5,963.49 and 3,393.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.90 : 5,963.49 = 3,393.41 : x
2. Step 2: Convert to fraction form
   3,983.90/5,963.49 = 3,393.41/x
3. Step 3: Cross multiply
   3,983.90x = 5,963.49 × 3,393.41
4. Step 4: Simplify right side
   3,983.90x = 20,236,536.78
5. Step 5: Solve for x
   x = 20,236,536.78/3,983.90
6. Step 6: Final answer
   x = 5,079.59