Declension table of ?yathāyukta

Neuter	Singular	Dual	Plural
Nominative	yathāyuktam	yathāyukte	yathāyuktāni
Vocative	yathāyukta	yathāyukte	yathāyuktāni
Accusative	yathāyuktam	yathāyukte	yathāyuktāni
Instrumental	yathāyuktena	yathāyuktābhyām	yathāyuktaiḥ
Dative	yathāyuktāya	yathāyuktābhyām	yathāyuktebhyaḥ
Ablative	yathāyuktāt	yathāyuktābhyām	yathāyuktebhyaḥ
Genitive	yathāyuktasya	yathāyuktayoḥ	yathāyuktānām
Locative	yathāyukte	yathāyuktayoḥ	yathāyukteṣu

Compound yathāyukta -

Adverb -yathāyuktam -yathāyuktāt