Finding the Fourth Proportional to 16,832.78, 23,229.10 and 9,176.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,832.78 : 23,229.10 = 9,176.04 : x
2. Step 2: Convert to fraction form
   16,832.78/23,229.10 = 9,176.04/x
3. Step 3: Cross multiply
   16,832.78x = 23,229.10 × 9,176.04
4. Step 4: Simplify right side
   16,832.78x = 213,151,150.76
5. Step 5: Solve for x
   x = 213,151,150.76/16,832.78
6. Step 6: Final answer
   x = 12,662.86