Finding the Fourth Proportional to 12,017.24, 18,022.82 and 3,581.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017.24 : 18,022.82 = 3,581.80 : x
2. Step 2: Convert to fraction form
   12,017.24/18,022.82 = 3,581.80/x
3. Step 3: Cross multiply
   12,017.24x = 18,022.82 × 3,581.80
4. Step 4: Simplify right side
   12,017.24x = 64,554,087.14
5. Step 5: Solve for x
   x = 64,554,087.14/12,017.24
6. Step 6: Final answer
   x = 5,371.79