Finding the Fourth Proportional to 7,016.02, 9,682.18 and 3,872.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.02 : 9,682.18 = 3,872.21 : x
2. Step 2: Convert to fraction form
   7,016.02/9,682.18 = 3,872.21/x
3. Step 3: Cross multiply
   7,016.02x = 9,682.18 × 3,872.21
4. Step 4: Simplify right side
   7,016.02x = 37,491,397.91
5. Step 5: Solve for x
   x = 37,491,397.91/7,016.02
6. Step 6: Final answer
   x = 5,343.69