Finding the Fourth Proportional to 12,017.72, 16,584.81 and 6,982.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017.72 : 16,584.81 = 6,982.76 : x
2. Step 2: Convert to fraction form
   12,017.72/16,584.81 = 6,982.76/x
3. Step 3: Cross multiply
   12,017.72x = 16,584.81 × 6,982.76
4. Step 4: Simplify right side
   12,017.72x = 115,807,747.88
5. Step 5: Solve for x
   x = 115,807,747.88/12,017.72
6. Step 6: Final answer
   x = 9,636.42