To solve this equation, we can first simplify the expression on the right side:

1.5 x 1.2 = 1.8

Now, we can rewrite the equation as:

32 + 49 - 78.23 = 1.8x

Combine like terms:

81 - 78.23 = 1.8x

2.77 = 1.8x

To solve for x, divide both sides of the equation by 1.8:

2.77 / 1.8 = x

x ≈ 1.54