Finding the Fourth Proportional to 16,620.24, 22,939.50 and 9,550.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,620.24 : 22,939.50 = 9,550.56 : x
2. Step 2: Convert to fraction form
   16,620.24/22,939.50 = 9,550.56/x
3. Step 3: Cross multiply
   16,620.24x = 22,939.50 × 9,550.56
4. Step 4: Simplify right side
   16,620.24x = 219,085,071.12
5. Step 5: Solve for x
   x = 219,085,071.12/16,620.24
6. Step 6: Final answer
   x = 13,181.82