BERLIN, Dec 7 (Reuters) - German industrial output rose much more than expected in October, data showed on Monday, in a further sign that the export-oriented manufacturing sector helped Europe’s largest economy to get off to a solid start in the fourth quarter. Industrial output was up by 3.2% on the month after an upwardly revised increase of 2.3% in the previous month, figures released by the Federal Statistics Office showed. A Reuters poll had forecast an increase of 1.6%. (Reporting by Michael Nienaber Editing by Caroline Copley)