Finding the Fourth Proportional to 3,983.88, 5,958.33 and 3,548.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.88 : 5,958.33 = 3,548.20 : x
2. Step 2: Convert to fraction form
   3,983.88/5,958.33 = 3,548.20/x
3. Step 3: Cross multiply
   3,983.88x = 5,958.33 × 3,548.20
4. Step 4: Simplify right side
   3,983.88x = 21,141,346.51
5. Step 5: Solve for x
   x = 21,141,346.51/3,983.88
6. Step 6: Final answer
   x = 5,306.72