At Fault 2:
R_f2=(R_f1+R_t)*(V_s/V_p)^2

R_f2=(0.53605+0.952261)*(0.48/13.8)^2

R_f2=0.0018

X_f2=(X_f1+X_t)*(V_s/V_p)^2

X_f2=(0.48652+5.3917)*(0.48/13.8)^2

X_f2=0.00711

Z_f2=sqrt{{R_f2}^2+{X_f2}^2}

Z_f2=sqrt{0.0018^2+0.00711^2}

Z_f2=0.00734

S_f2=(kV_s)^2/Z_f2

S_f2=0.48^2/0.00734

S_f2=31.41~MVA

I_f2=1000*S_f2/{sqrt{3}*{kV_s}}

I_f2=1000*31.41/{sqrt{3}*{0.48}}

I_f2=underline{37,776}~A Fault current at Fault 2

(X/R)_f2={X_f2}/{R_f2}=0.00711/0.0018

(X/R)_f1=underline{3.95}