The ornamental design for a fireprooftrunkorganizer, as shown and described.
FIG. 1 is a perspective view of a fireproof trunk organizer showing our new design;
FIG. 2 is a perspective exploded view thereof;
FIG. 3 is a perspective compressed view thereof, the top being shown removed for clarity of disclosure;
FIG. 4 is a left side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a back view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines shown in the drawings depict portions of the fireproof trunk organizer in which the design is embodied that form no part of the claimed design.