Finding the Fourth Proportional to 11,995, 16,548.18 and 7,963.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,995 : 16,548.18 = 7,963.72 : x
2. Step 2: Convert to fraction form
   11,995/16,548.18 = 7,963.72/x
3. Step 3: Cross multiply
   11,995x = 16,548.18 × 7,963.72
4. Step 4: Simplify right side
   11,995x = 131,785,072.03
5. Step 5: Solve for x
   x = 131,785,072.03/11,995
6. Step 6: Final answer
   x = 10,986.67