Finding the Fourth Proportional to 7,016.80, 9,683.28 and 3,872.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.80 : 9,683.28 = 3,872.96 : x
2. Step 2: Convert to fraction form
   7,016.80/9,683.28 = 3,872.96/x
3. Step 3: Cross multiply
   7,016.80x = 9,683.28 × 3,872.96
4. Step 4: Simplify right side
   7,016.80x = 37,502,956.11
5. Step 5: Solve for x
   x = 37,502,956.11/7,016.80
6. Step 6: Final answer
   x = 5,344.74