I need the help with solving 5000-122,78)=((113,51+1,99))/〖(1+i)〗^(1/12) +((113,51+1,99))/〖(1+i)〗^(2/12) +((113,51+1,99))/〖(1+i)〗^(3/12) +⋯+((113,51+1,99))/〖(1+i)〗^(60/12).

I need to know, how much i is and how to calculate it, anzthing can be used, excel, etc.

Please advise

Thanks