def extract_stats(data):
    """
    Extracts relevant statistics from a list of tuples.

    Args:
        data (list): List of tuples containing version, value, and other metrics.

    Returns:
        tuple: Tuple containing max value, min value, average value, and total count.
    """
    return (
        max(value for _, value, *_ in data),
        min(value for _, value, *_ in data),
        sum(value for _, value, *_ in data) / len(data),
        len(data)
    )

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