Answer
174$^{\circ}$15'18"
Work Step by Step
1.174.255$^{\circ}$=174$^{\circ}$ +0.255(60')=174$^{\circ}$15.3'
First convert decimal part of degree into minutes by multiplying by (60)
2. 174$^{\circ}$15' + 0.3(60")= 174$^{\circ}$15'18"
Then convert decimal part of minutes into seconds by multiplying by (60)