Service API incorrectly converts decimal value in DA culture

Description

Steps to reproduce

1. Configure the catalog to support the DA language.
2. Post an entry that has a decimal value in DA culture. For example

new MetaFieldData()
 {
     Language="da",
     Value = "123456.789"
 }

3. Open that entry in Commerce Manager.

Expected: Value of Decimal meta field in DA culture is 123456.789000000.
Actual: Value is 123456789.000000000.