Finding the Fourth Proportional to 7,016.20, 9,682.26 and 3,872.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.20 : 9,682.26 = 3,872.18 : x
2. Step 2: Convert to fraction form
   7,016.20/9,682.26 = 3,872.18/x
3. Step 3: Cross multiply
   7,016.20x = 9,682.26 × 3,872.18
4. Step 4: Simplify right side
   7,016.20x = 37,491,453.53
5. Step 5: Solve for x
   x = 37,491,453.53/7,016.20
6. Step 6: Final answer
   x = 5,343.56