Answer
$\approx1180.8$
Work Step by Step
$\angle A=180-\angle B-\angle C=180-98-25=57^{0}$
$\dfrac {1000}{\sin \angle A}=\dfrac {x}{\sin 98}\Rightarrow x=\dfrac {1000\times \sin 98}{\sin \angle A}=\dfrac {1000\times \sin 98}{\sin 57}\approx 1180.8$
