Putting Apache in front of Tomcat

Download and install Apache as a service.
Download mod_jk.so and drop in Apache/modules/ directory.
Modify Apache/conf/httpd.conf

   LoadModule jk_module modules/mod_jk.so
   Include conf/extra/httpd-vhosts.conf

Modify Apache/conf/extra/httpd-vhosts.conf

   JkWorkersFile "/Tomcat/conf/workers.properties"
   <virtualhost *:80="">
      JkMount /* ajp13-8080
   </virtualhost>

Start Apache.
Download and install Tomcat as a service.
Create Tomcat/conf/workers.properties

   workers.tomcat_home="/tomcat"    
   workers.java_home="/Program Files/Java/jdk1.7.0_02"
   ps=/    
   worker.list=ajp13-8080 
   worker.ajp13-8080.port=8009 
   worker.ajp13-8080.host=localhost 
   worker.ajp13-8080.type=ajp13 
   worker.ajp13-8080.lbfactor=1

Start Tomcat.

That's it!