Go to the right and jump the gap.

Use the Grapple to catch the metal ring on the wall and wall run to reach the opposite side. Now you are on the ledge where you pulled\ pushed the wall before.

Now pull the wall until the first column.

That way, there will be a small part of the ledge that Lara can land on after swinging back.

Use the Grapple to catch the ring and wall run across. Jump the gap and go to the other side of the ledge around to the right.

Jump to grab the panel and climb to the top.

Cross the walkway and jump to the exit.