Finding the Fourth Proportional to 16,696.53, 23,028.17 and 10,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,696.53 : 23,028.17 = 10,728.72 : x
2. Step 2: Convert to fraction form
   16,696.53/23,028.17 = 10,728.72/x
3. Step 3: Cross multiply
   16,696.53x = 23,028.17 × 10,728.72
4. Step 4: Simplify right side
   16,696.53x = 247,062,734.40
5. Step 5: Solve for x
   x = 247,062,734.40/16,696.53
6. Step 6: Final answer
   x = 14,797.25