Fortunato won three championships as a player with Boca Juniors and went on to lead the club to four Primera División and two domestic cups as manager.

Fortunato began playing for Boca Juniors in 1925, he made his debut on 1 September in a 2–0 win against Palermo.

Fortunato retired early due to a knee injury, but continued to play in the Argentine amateur league with Sportivo Barracas in the 1932 season.

He was part of the squad for the 1926 South American Championship (current "Copa América") where Argentina finished as runners up.

Fortunato also served as the manager of Ferro Carril Oeste,[3] Racing, Chacarita Juniors, Botafogo of Brazil, Rosario Central and Estudiantes de La Plata.