What is the share of each heir (mother, wife, son, and two daughters) from an estate amounting to 172,679 Riyals?

If a man dies leaving a mother, a wife, a son, and two daughters, the inheritance is divided as follows: The mother receives one-sixth due to the presence of a lineal descendant, and the wife receives one-eighth. The remainder goes to the children, with the male receiving the share of two females.