Finding the Fourth Proportional to 3,986.72, 5,982.24 and 3,841.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.72 : 5,982.24 = 3,841.28 : x
2. Step 2: Convert to fraction form
   3,986.72/5,982.24 = 3,841.28/x
3. Step 3: Cross multiply
   3,986.72x = 5,982.24 × 3,841.28
4. Step 4: Simplify right side
   3,986.72x = 22,979,458.87
5. Step 5: Solve for x
   x = 22,979,458.87/3,986.72
6. Step 6: Final answer
   x = 5,764.00