Finding the Fourth Proportional to 16,715.98, 23,067.69 and 9,162.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,715.98 : 23,067.69 = 9,162.13 : x
2. Step 2: Convert to fraction form
   16,715.98/23,067.69 = 9,162.13/x
3. Step 3: Cross multiply
   16,715.98x = 23,067.69 × 9,162.13
4. Step 4: Simplify right side
   16,715.98x = 211,349,174.58
5. Step 5: Solve for x
   x = 211,349,174.58/16,715.98
6. Step 6: Final answer
   x = 12,643.54