Finding the Fourth Proportional to 7,016.56, 9,683.12 and 3,872.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.56 : 9,683.12 = 3,872.64 : x
2. Step 2: Convert to fraction form
   7,016.56/9,683.12 = 3,872.64/x
3. Step 3: Cross multiply
   7,016.56x = 9,683.12 × 3,872.64
4. Step 4: Simplify right side
   7,016.56x = 37,499,237.84
5. Step 5: Solve for x
   x = 37,499,237.84/7,016.56
6. Step 6: Final answer
   x = 5,344.39