\[\boxed{\mathbf{991}\mathbf{.}\mathbf{\ }}\]
\[\frac{28}{45} = \frac{56}{90};\ \frac{5}{9} = \frac{50}{90};\ \frac{7}{10} = \frac{63}{90};\]
\[\ \frac{13}{18} = \frac{65}{90};\ \frac{8}{15} = \frac{48}{90}.\]
\[Дроби\ в\ порядке\ убывания:\]
\[\frac{13}{18};\ \frac{7}{10};\ \frac{28}{45};\ \frac{5}{9};\ \frac{8}{15}.\]
\[Фамилия\ полководца:\]
\[ЖУКОВ.\]