An 849-kg wrecking ball hangs from a uniform heavy-duty

Question

Problem: An 84.9-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 25.2kg. (Use 9.80m/s² for the gravitational acceleration at the earth's surface.)

Part A: What is the tension at a point three-fourths of the way up from the bottom of the chain?

I need help to find the tension at a point three-fourths of the way up from the bottom of the chain.