The value of the bank account is estimated to be approximately $5$ dollars greater in $1962$ than in $1957$.

The value of the bank account is estimated to be approximately $243$ dollars in $1962$.

The value, in dollars, of the bank account is estimated to be approximately $5$ times greater in $1962$ than in $1957$.

The value of the bank account is estimated to increase by approximately $243$ dollars every $5$ years between $1957$ and $1972$.