Finding the Fourth Proportional to 3,983.16, 5,975.96 and 3,591.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.16 : 5,975.96 = 3,591.33 : x
2. Step 2: Convert to fraction form
   3,983.16/5,975.96 = 3,591.33/x
3. Step 3: Cross multiply
   3,983.16x = 5,975.96 × 3,591.33
4. Step 4: Simplify right side
   3,983.16x = 21,461,644.43
5. Step 5: Solve for x
   x = 21,461,644.43/3,983.16
6. Step 6: Final answer
   x = 5,388.09