China is about 106,633 times bigger than Fort Lauderdale.

Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, while China is approximately 9,596,960 sq km, making China 10,663,189% larger than Fort Lauderdale.
Tip: This to-scale comparison of Fort Lauderdale vs. China uses the Mercator projection, which distorts the size of regions near the poles.