Finding the Fourth Proportional to 16,715.75, 23,067.59 and 9,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,715.75 : 23,067.59 = 9,162.50 : x
2. Step 2: Convert to fraction form
   16,715.75/23,067.59 = 9,162.50/x
3. Step 3: Cross multiply
   16,715.75x = 23,067.59 × 9,162.50
4. Step 4: Simplify right side
   16,715.75x = 211,356,632.22
5. Step 5: Solve for x
   x = 211,356,632.22/16,715.75
6. Step 6: Final answer
   x = 12,644.16