Fintech and proptech are two sectors that are seeing exploding growth in Latin America, as financial services and real estate are two categories in particular dire need of innovation in a region. Brazil’s QuintoAndar, which has developed a real estate marketplace focused on rentals and sales, has seen impressive growth in recent years. And today, the São Paulo-based proptech has announced it has closed on $300 million in a Series E round of funding that values it at an impressive $4 billion. The round is notable for a few reasons….