Whenever it is believed that facts giving rise to the presumption of death exist with reference to any person, the county court of the county of such person’s last-known domicile in this state, or, if such person was a nonresident of this state, the county court of the county where the greater part of his property within this state may be situated, may be applied to by petition under oath, and shall have jurisdiction, to probate the will of such person, and to grant letters testamentary or of administration upon his estate to the same person, and upon the same procedure, except as otherwise provided in this article, as if such supposed decedent were in fact known to be dead.