Given BS$,$ FS$,$ and elevations of different stations.

Find the elevation of station BM$12?$

$\backslash$table$[[,$station,backsight,foresight$],[$BM$10,4\mathrm{.}64,,179\mathrm{.}65],[$TP$1,5\mathrm{.}80,5\mathrm{.}06,],[$TP$2,2\mathrm{.}25,5\mathrm{.}02,],[$BM$11,6\mathrm{.}02,5\mathrm{.}35,],[$TP$3,8\mathrm{.}96,4\mathrm{.}34,],[$TP$4,8\mathrm{.}06,3\mathrm{.}22,],[$TP$5,9\mathrm{.}45,3\mathrm{.}71,],[$TP$6,12\mathrm{.}32,2\mathrm{.}02,],[$BM$12,,1\mathrm{.}98,]]$

$225\mathrm{.}59\text{'}$

$167\mathrm{.}14$

${176\mathrm{.}41}^{\text{'}}$

$205\mathrm{.}95$