Filter multiple tables and columns

Hi I have the following problem

i need the name of the customer

in Table Omission i want to create a column Name Project which shows the name of customer that is related to Project_id from table omiission

the formula needs to be like this:

If Omission Table (project_id)-->Project Table(project_end_customer_id)-->Table project_end_customer_id(id)-->Table Customer(id) is a match give me Table Customer(Name) as the result

in the photo is how the relationships are between the different tables and 

kind regards