Finding the Fourth Proportional to 16,715.52, 23,067.33 and 9,162.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,715.52 : 23,067.33 = 9,162.17 : x
2. Step 2: Convert to fraction form
   16,715.52/23,067.33 = 9,162.17/x
3. Step 3: Cross multiply
   16,715.52x = 23,067.33 × 9,162.17
4. Step 4: Simplify right side
   16,715.52x = 211,346,683.57
5. Step 5: Solve for x
   x = 211,346,683.57/16,715.52
6. Step 6: Final answer
   x = 12,643.74