Thank you for sharing your dream with us. Please take everything that I share to the Holy Spirit as He Alone gives the accurate interpretation.
What came to mind was Daniel 3:19-27. There is a “fiery” trial that you are in or will be in and it also appears that your finances might be affected. The whole ordeal with take you by surprise but won’t be long lasting. This is a dream of preparation (God giving you intel) and encouragement that He (I believe that He is the fourth person that you couldn’t recognize in your dream) is with you in the midst of it all. Please pray regarding how to prepare and keep on praising Him and stand steadfast in the midst of it all. Daniel 3.