रावणम् that Ravana, क्षिप्रम् soon, हत्वा on killing, हृताम् recovering, वैदेहीम् Vaidehi, अवाप्य च and attaining, समृद्धार्थः as an accomplished one, समृद्दार्थाम् having accomplished the objective , अयोध्याम् to Ayodhya, प्रतियास्यति would go

Rama After killing Ravana and attaining the desired object of recovering Vaidehi you would go to Ayodhya having accomplished your objective.