The answer is: 3840.48 meters.
Step-by-step explanation
The summit of mt Humphreys point in Arizona is 12600 ft.
Suppose, the summit of mt Humphreys point in meters is

We know that, 1 foot = 0.3048 meters
So, according to the ratio of 'feet' to 'meter', the equation will be.....

Thus, the summit of mt Humphreys point in Arizona is 3840.48 meters.