Syllables stressed in word procrastination

Words ending with - tion, - sion, and - ic are stressed on the penultimate syllable which is the second from end syllable.

So the stress in the word procrastination is on NA.

pro-cras-ti-NA-tion

Other words that you may also consider having the stress on the second from end syllable ending with - tion, - sion, and - ic are:

Demographic

Dimension

Estimation

The second and fourth syllables are stressed