Finding the Fourth Proportional to 11,696.47, 16,144.97 and 9,310.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,696.47 : 16,144.97 = 9,310.82 : x
2. Step 2: Convert to fraction form
   11,696.47/16,144.97 = 9,310.82/x
3. Step 3: Cross multiply
   11,696.47x = 16,144.97 × 9,310.82
4. Step 4: Simplify right side
   11,696.47x = 150,322,834.67
5. Step 5: Solve for x
   x = 150,322,834.67/11,696.47
6. Step 6: Final answer
   x = 12,851.99