Finding the Fourth Proportional to 7,016.81, 9,682.50 and 3,872.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.81 : 9,682.50 = 3,872.79 : x
2. Step 2: Convert to fraction form
   7,016.81/9,682.50 = 3,872.79/x
3. Step 3: Cross multiply
   7,016.81x = 9,682.50 × 3,872.79
4. Step 4: Simplify right side
   7,016.81x = 37,498,289.18
5. Step 5: Solve for x
   x = 37,498,289.18/7,016.81
6. Step 6: Final answer
   x = 5,344.07