Finding the Fourth Proportional to 16,653.36, 22,981 and 9,582.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,653.36 : 22,981 = 9,582.06 : x
2. Step 2: Convert to fraction form
   16,653.36/22,981 = 9,582.06/x
3. Step 3: Cross multiply
   16,653.36x = 22,981 × 9,582.06
4. Step 4: Simplify right side
   16,653.36x = 220,205,320.86
5. Step 5: Solve for x
   x = 220,205,320.86/16,653.36
6. Step 6: Final answer
   x = 13,222.88