How to get the 5th highest value from a table?

How to get the 5th highest value from a table?

Table:tblEmp
Fields Emp_Name,Emp_Salary

Emp_Name Emp_Salary
A 25000
B 35000
C 12000
D 50000
E 14000
F 18000
G 28000
H 50500
I 40000

From this table I want to konw who is getting 5th highest salary?


SELECT ROWNUM NUM_K, K.* FROM (SELECT ROWNUM NUM_M, M.*
FROM ( select A.EMPLID,A.EFFDT
from ( select * from ps_job where emplid = 'FHQ4' ORDER BY EFFDT DESC ) A
WHERE ROWNUM <= Variable ) M
ORDER BY EFFDT ASC ) K
WHERE ROWNUM <=1


Note :Where varaiable is the nth largest u want