Commonwealth Edison and an equipment-rental business have agreed to pay $3.2 million to settle a lawsuit filed on behalf of a man fatally electrocuted by overhead power lines. Cook County Associate Judge William Edward Gomolinski entered a dismissal order Monday approving the settlement in the wrongful-death case of Javier Valadez, who died after coming into contact with 12,000-volt cables as he was working beneath a bridge in northwest suburban Elgin. Valadez’s estate sued ComEd, as well as Hertz Equipment …