It is fitting. What is fitting? That at the proclamation of Your praise, at the telling and the hearing of Your greatness, O Hṛṣīkeśa, the world rejoices, comes to great joy: that is fitting. Or else 'fitting' is a qualification of the object: the Blessed Lord is a fitting object of joy and the rest, since He is the Lord, the Self of all, the friend of all beings; and likewise the world is drawn into love toward Him as toward a fitting object. Further, the rākṣasas, frightened, filled with fear, flee to the quarters, and that too is fitting, an object fit for it; and all the hosts of perfected ones, Kapila and the rest, bow, make salutation, and that too is fitting. He shows the reason for the Blessed Lord's being a fitting object of joy and the rest.
Contemporary English rendering of the Sanskrit bhāṣya, pending scholar review.