Finding the Fourth Proportional to 12,016.72, 16,583.04 and 6,711.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.72 : 16,583.04 = 6,711.54 : x
2. Step 2: Convert to fraction form
   12,016.72/16,583.04 = 6,711.54/x
3. Step 3: Cross multiply
   12,016.72x = 16,583.04 × 6,711.54
4. Step 4: Simplify right side
   12,016.72x = 111,297,736.28
5. Step 5: Solve for x
   x = 111,297,736.28/12,016.72
6. Step 6: Final answer
   x = 9,261.91