Finding the Fourth Proportional to 10,716.91, 16,055.92 and 7,912.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,716.91 : 16,055.92 = 7,912.69 : x
2. Step 2: Convert to fraction form
   10,716.91/16,055.92 = 7,912.69/x
3. Step 3: Cross multiply
   10,716.91x = 16,055.92 × 7,912.69
4. Step 4: Simplify right side
   10,716.91x = 127,045,487.38
5. Step 5: Solve for x
   x = 127,045,487.38/10,716.91
6. Step 6: Final answer
   x = 11,854.68