SAP Ventures helps Lithium Technologies, a US-based social media software company, take its total funding past an estimated $100m.

The corporate venturing unit of Germany-based software company SAP has helped social network cloud company Lithium Technologies raise $53.4m.

SAP joined the series D round, which was led by venture capital (VC) firm New Enterprise Associates. New Enterprise Associates’s Pete Sonsini has joined Lithium’s board.

Lithium is a software platform which helps companies use social media to market to clients.

Other backers of Lithium include VC firms Benchmark Capital, DAG Ventures, Emergence Capital, Greenspring Associates, Shasta Ventures and Tenaya…