Final answer:
The final sum of the given numbers: 982.40 + 3123 - 1347 + 1507 = 5265.40
Step-by-step explanation:
Adding these numbers together: 982.40 + 3123 - 1347 + 1507, we can simplify this by combining the values. First, summing up 982.40 and 3123 gives 4105.
Next, subtracting 1347 from 4105 results in 2758. Finally, adding 1507 to 2758 produces the final sum of 5265.40.
Therefore, after computing each operation sequentially - addition and subtraction - the summation of the given numbers results in 5265.40. This process involves performing addition and subtraction operations while keeping track of the cumulative total to arrive at the final sum.