Finding the Fourth Proportional to 16,682.08, 23,020.60 and 9,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,682.08 : 23,020.60 = 9,608.72 : x
2. Step 2: Convert to fraction form
   16,682.08/23,020.60 = 9,608.72/x
3. Step 3: Cross multiply
   16,682.08x = 23,020.60 × 9,608.72
4. Step 4: Simplify right side
   16,682.08x = 221,198,499.63
5. Step 5: Solve for x
   x = 221,198,499.63/16,682.08
6. Step 6: Final answer
   x = 13,259.65