Finding the Fourth Proportional to 16,716.16, 23,067.39 and 9,162.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,716.16 : 23,067.39 = 9,162.51 : x
2. Step 2: Convert to fraction form
   16,716.16/23,067.39 = 9,162.51/x
3. Step 3: Cross multiply
   16,716.16x = 23,067.39 × 9,162.51
4. Step 4: Simplify right side
   16,716.16x = 211,355,191.55
5. Step 5: Solve for x
   x = 211,355,191.55/16,716.16
6. Step 6: Final answer
   x = 12,643.76