networkking DLINK DI 524

hello every one i am trying to connect 4 DLink DI 524 which i want them to communicate wirelessly and also wanted to connect to our corporate LAN. after that i want a lap top to access this network wirelessly to access our commpany network reason why i am using 4 routers to increase the signal strength if any body know about this type of set up please post the answer or send me an email my email id is dipukurian@hotmail.com