Finding the Fourth Proportional to 11,996.99, 16,548.53 and 7,964.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.99 : 16,548.53 = 7,964.02 : x
2. Step 2: Convert to fraction form
   11,996.99/16,548.53 = 7,964.02/x
3. Step 3: Cross multiply
   11,996.99x = 16,548.53 × 7,964.02
4. Step 4: Simplify right side
   11,996.99x = 131,792,827.15
5. Step 5: Solve for x
   x = 131,792,827.15/11,996.99
6. Step 6: Final answer
   x = 10,985.49