documentclass[12pt]{article}
usepackage{amsmath}
usepackage{enumitem}

title{Sample Text}
date{}

begin{document}
maketitle
section*{4.1 - Sample Text}

begin{enumerate}[leftmargin=-1cm]
setcounter{enumi}{4100}{}
item
begin{enumerate}[leftmargin=1cm, label=emph{alph*})]
item
 Sample Text

 Sample Text\

item Sample Text\

end{enumerate}
item
hspace{0.85cm} Sample Text

hspace{0.85cm} Sample Text
end{enumerate}

section*{4.2 - Sample Text}

begin{enumerate}[leftmargin=-1cm]
setcounter{enumi}{4200}{}
item
begin{enumerate}[leftmargin=1cm, label=emph{alph*})]
item Sample Text

end{enumerate}
end{enumerate}

end{document}