def calculate_max_performance(data):
    """
    Calculate maximum performance from a list of data points.

    Parameters:
    data (list): List of tuples containing version, score, and other metrics.

    Returns:
    tuple: Maximum performance version, maximum performance score.
    """
    max_version = max(data, key=lambda x: x[1])[0]
    max_score = max(data, key=lambda x: x[1])[1]
    return max_version, max_score

# Example usage
data = [('v5_1768236144', 108217.11959687909, 721, 15009.3),
        ('v5_1768235312', 89435.63603047856, 734, 12184.7),
        ('v5_1768235983', 98379.19963352643, 987, 9967.5)]

max_version, max_score = calculate_max_performance(data)
print(f"Maximum performance version: {max_version}")
print(f"Maximum performance score: {max_score:.2f}")