Finding the Fourth Proportional to 16,653.57, 22,982.64 and 9,579.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,653.57 : 22,982.64 = 9,579.99 : x
2. Step 2: Convert to fraction form
   16,653.57/22,982.64 = 9,579.99/x
3. Step 3: Cross multiply
   16,653.57x = 22,982.64 × 9,579.99
4. Step 4: Simplify right side
   16,653.57x = 220,173,461.37
5. Step 5: Solve for x
   x = 220,173,461.37/16,653.57
6. Step 6: Final answer
   x = 13,220.80