The legislative body of such a city or town which has annexed to such a fire protection district may, by resolution, present to the voters of such city or town a proposition to withdraw from said fire protection district at any general election held at least three years following the annexation to the fire protection district. If the voters approve such a proposition to withdraw from said fire protection district, the city or town shall have a vested right in the capital assets of the district proportionate to the taxes levied within the corporate boundaries of the city or town and utilized by the fire protection district to acquire such assets.