MySQL database replication

We have four servers running a PHP application, with a MySQL instance on each server linked by replication. This replication has become disrupted and databases out of sync. We need to clone the single perfect database and setup slaves from it, adding replication between them.

This needs to be completed by the end of Sunday 15th March. The company is a logistics network and the system is in use for the majority of each day. Downtime could be accommodated late evening or over the weekend.

This is an immediate requirement for short term work and the right person would be adequately compensated for work of this nature.

Remote access is no issue - happy for the right person to complete the job remotely.