UNIX for Beginners Questions & Answers

I have data of an excel files as given below,
file1

Code:

org1_1	1	1	2.5	100
org1_2	1	2	5.5	98	
org1_3	1	3	7.2	88

file2

Code:

org2_1	1	1	2.5	100
org2_2	1	2	5.5	56	
org2_3	1	3	7.2	70

I have multiple excel files as above shown.

I have to copy column 1, column 4 and paste into a new excel file as below shown format (next to column),

Code:

org1_1	100	org2_1	100	org3_1	55 ....... 
org1_2	98	org2_2	56	org3_2	62 .......
org1_3	88	org2_3	70	org3_3	72 .......

I have used the following command, but it paste the selected columns next row of each selected data,

Code:

for file in *.xls
do
   awk '{print $1,$4}' *.xls > concate.xls
done

Therefore, please help me to do the same.
Thanks in advance.