Find the Center of the Osculating Circle of the Curve $x = 4 \sin t , y = 3 t , z = 4 \cos t \text { at } ( 0,0,4 )$

Find the center of the osculating circle of the curve described by $x = 4 \sin t , y = 3 t , z = 4 \cos t \text { at } ( 0,0,4 )$