Oct 13 (Reuters) - Agricultural equipment maker Lindsay Corp posted a lower quarterly profit hurt by a 27 percent rise in operating costs.For the fourth quarter, net income was $5.9 million, or 46 cents a share, compared with $6.0 million, or 48 cents a share a year ago.Revenue rose 33 percent to $116.1 million.Analysts, on average, had expected earnings of 61 cents a share, before special items, on revenue of $108.5 million, according to Thomson Reuters I/B/E/S.Shares of the Omaha, Nebraska-based company closed at $60.27 on Wednesday on the New York Stock Exchange.