He studied in Calatayud and Alcalá, and was at different times rector of the colleges of San Antonio de Siguenza and Santa Cruz, in Valladolid.
He was appointed bishop of Puebla, Mexico, in 1764, and was present at the fourth Mexican provincial synod in 1771.
On his return to Spain, he was promoted archbishop of Valencia, and retired in 1795 to the place of his birth.
He reorganized the discipline of the convents, and established a college to educate Indian youths.
Fuero left many interesting manuscripts, and published a volume on scientific subjects (1772).