The enumeration of particular powers of this Charter shall not be deemed or held to be exclusive, but in addition to the powers enumerated herein, implied thereby, or appropriate to the exercise thereof, the City of Fort Worth shall have and may exercise all other powers which are now, or may hereafter be, possessed or enjoyed by cities of over five thousand (5,000) population under the Constitution and the general laws of the State of Texas, and all the powers of the city, whether expressed or implied, shall be exercised and embraced in the manner prescribed by this Charter, or when not so prescribed, then in such manner as may be provided by ordinance or resolution of the City Council.