Answer:
The son received 2,615.38.
Explanation:
In order to know how much the son received, it is best to use algebraic expressions in finding the children's individual shares.
Let x be the son's share and
be the share of each daughter.
The equation will be: 8,500 = x +
+
+

Next step is: 8,500 =
8,500 =

8,500 × 4 = 13x
34,000 = 13x
= x
x = 2,615.38
The son received 2,615.38
Let's get the share of each daughter:
=
= 1,961.54
Each daughter will receive 1,961.54
Let's check: 2,615.38 + 1,961.54 + 1,961.54 + 1,961.54 = 8,500