To find your writing style, you should read a lot of books, and different types of novels. Along with this, write every day on various online platforms like Quora, Medium, etc. This will help you to know what type of content you enjoy writing the most and what your audience likes about your writing.
You can also make your blog on popular social media platforms like Instagram, Facebook, LinkedIn, etc. You can make your own website as well and can post your write-ups there. By doing all this, you will not only find your writing style, but also you will be able to monetize your writing skills in much lesser time and reach a larger audience.