  The Feynman path integral approach for solving the motion of a droplet along
a silicon oil surface is developed by replacing the Planck constant by a
surrogate parameter. The latter is proportional to the surface tension of the
silicon oil multiplied by the area of the thin air film, separating the droplet
from the oil, and by the half-period of the Faraday oscillations. It is shown
that the Navier-Stokes equation together with the mass conservation equation
can be reduced to the Schr\"{o}dinger equation when the surrogate parameter
replaces the Planck constant. The Feynman path integral underlying the
Schr\"{o}dinger equation is used then to calculate a wave function that plays
the role of the de Broglie pilot-wave.
