Código PHP:
$conectarse = mysql_connect("localhost", "root", " ");
mysql_select_db("TU_BASE_DE_DATOS",$conectarse);
mysql_db_query("INSERT INTO POSTULANTE values ('', ".$txt_apoderadorut.", '', '', ".$txt_madrerut.",".$txt_padrerut.", ".$txt_comuna.", ".$txt_empresa.", ".$txt_rut.", ".$txt_dv.", ".$txt_nombres.", ".$txt_apellido_paterno.", ".$txt_apellido_materno.", ".$txt_fec_nac19.", ".$temp.", ".$txt_direccion",".$txt_codigociudad.",".$txt_fono.", ".$txt_codigociudad_emer.", ".$txt_fono_emer.", ".$txt_sexo.",".$txt_promcast7.", ".$txt_prommat7.", ".$txt_promgral7.", ".$txt_promcast8.", ".$txt_prommat8.", ".$txt_promgral8.",".$txt_currep.",".$txt_tiene_patrocinio.",".$txt_nombre_firmacarta.",".$txt_adicional.",".$txt_SV.",".$txt_N.",'','','','',".$txt_otros."") or die(mysql_error());