Estimate Rosetta Stone$$s market price using the multiples approach, from the comparable company selected, $K12.$

The book gave the following information and stated the answer was $$26\mathrm{.}38$ per share. Can you please explain how $to$ calculate this answer?

Rosetta Stone EBITDA $2008[$case Exh. $6]$ $ $34\mathrm{.}6$ million

K$12$ Inc. EV$/$EBITDA ratio $2008[$case Exh. $9]13\mathrm{.}4$ times

Implied Rosetta Stone enterprise value $$463\mathrm{.}6$ million

Current Rosetta Stone debt $[$case Exh. $6]$ $$9\mathrm{.}9$ million

Implied equity value $$453\mathrm{.}7$ million

Premoney shares outstanding $[$case Exh. $8]17\mathrm{.}2$ million

Implied share price $ $26\mathrm{.}38/$share