Finding the Fourth Proportional to 3,982.72, 5,481.12 and 3,568

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.72 : 5,481.12 = 3,568 : x
2. Step 2: Convert to fraction form
   3,982.72/5,481.12 = 3,568/x
3. Step 3: Cross multiply
   3,982.72x = 5,481.12 × 3,568
4. Step 4: Simplify right side
   3,982.72x = 19,556,636.16
5. Step 5: Solve for x
   x = 19,556,636.16/3,982.72
6. Step 6: Final answer
   x = 4,910.37