Find the square root of the number. \[ \sqrt{-24} \]

Step 1 ：The problem is to find the square root of -24.

Step 2 ：In mathematics, the square root of a negative number is not a real number, it's an imaginary number. The square root of -1 is represented by the letter 'i'.

Step 3 ：So, to find the square root of -24, we need to find the square root of 24 and then multiply it by 'i'.

Step 4 ：\(\sqrt{24} = 4.898979485566356\)

Step 5 ：\(\sqrt{-24} = 4.898979485566356i\)

Step 6 ：Final Answer: The square root of -24 is \(\boxed{4.898979485566356i}\)