Valmiki Ramayana Ayodhya Kanda Sarga 105 Shloka 35

पृथिवीपतिः lord of the earth, बहुविधैः by several kinds of, यज्ञैः with sacrifices, इष्ट्वा having performed, पुष्कलान् abundance of, भोगान् pleasures, अवाप्य च having enjoyed, उत्तमम् excellent, आयुश्च life also, आसाद्य having obtained , स्वर्गतः went to heaven.

King Dasaratha, lord of the earth, having performed various kinds of sacrifices and securing a long life, enjoyed abundance of pleasures and attained heaven.