Finding the Fourth Proportional to 3,983.36, 5,945.87 and 3,694.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.36 : 5,945.87 = 3,694.23 : x
2. Step 2: Convert to fraction form
   3,983.36/5,945.87 = 3,694.23/x
3. Step 3: Cross multiply
   3,983.36x = 5,945.87 × 3,694.23
4. Step 4: Simplify right side
   3,983.36x = 21,965,392.86
5. Step 5: Solve for x
   x = 21,965,392.86/3,983.36
6. Step 6: Final answer
   x = 5,514.29