Each consonant in the word 'COMPANY' is changed to the letter following it in the English alphabetical order, and each vowel is changed to the letter preceding it in the English alphabetical order. If each letter, thus formed is arranged in alphabetical order, which letter will be fourth from the right?

WORD- 'COMPANY'

Let's transform the word "COMPANY" according to the given rules →

Transform Each Letter:

C (consonant) → D (following letter)

O (vowel) → N (preceding letter)

M (consonant) → N (following letter)

P (consonant) → Q (following letter)

A (vowel) → Z (preceding letter)

N (consonant) → O (following letter)

Y (consonant) → Z (following letter)

The transformed word is: DNNQZOZ

Arrange Letters Alphabetically: 

(Left)- D, N, N, O, Q, Z, Z - (Right)

The letter fourth from the right is O.​​​