Finding the Fourth Proportional to 10,727.54, 16,076.73 and 7,964.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,727.54 : 16,076.73 = 7,964.63 : x
2. Step 2: Convert to fraction form
   10,727.54/16,076.73 = 7,964.63/x
3. Step 3: Cross multiply
   10,727.54x = 16,076.73 × 7,964.63
4. Step 4: Simplify right side
   10,727.54x = 128,045,171.03
5. Step 5: Solve for x
   x = 128,045,171.03/10,727.54
6. Step 6: Final answer
   x = 11,936.12