If, after a decree for partition and the appointment of commissioners it shall appear from the report of the commissioners, or on exceptions to their report, that a just and equal division of the land cannot be made, or that a sale will better promote the interest of all the cotenants, the court shall order a sale of the land, or such part thereof as may be deemed proper, and a division of the proceeds among those interested, as provided for, and make an equitable partition as provided in this article of the land not sold.