From the FBD of the block to the right
$\Sigma F_V = 0$
$R_1 \cos 15^\circ = R_2 \sin 15^\circ + 200$
$R_1 = 0.2679R_2 + 207.06$
$\Sigma F_H = 0$
$R_2 \cos 15^\circ = R_1 \sin 15^\circ + 50$
$R_2 \cos 15^\circ = (0.2679R_2 + 207.06) \sin 15^\circ + 50$
$0.8966R_2 = 103.59$
$R_2 = 115.54 \, \text{ kN}$
From the FBD of the wedge to the left
$\Sigma F_H = 0$
$R_3 \cos 30^\circ = R_2 \cos 15^\circ$
$R_3 \cos 30^\circ = 115.54 \cos 15^\circ$
$R_3 = 128.87 \, \text{ kN}$
$\Sigma F_V = 0$
$P = R_2 \sin 15^\circ + R_3 \sin 30^\circ$
$P = 115.54 \sin 15^\circ + 128.87 \sin 30^\circ$
$P = 94.34 \, \text{ kN}$ answer