'(= (Machine_Beam_Reaction_Rear_Right ?X)
(/ (+ (* (Machine_Beam_Weight ?X)
(Machine_Beam_Support_To_Machine_Beam_Center ?X))
(* (Machine_Beam_Impact_Load_Right ?X)
(Machine_Sheave_Center_To_Front_Machine_Beam_Support ?X)))
(Machine_Beam_Support_Distance ?X)))