Finding the Fourth Proportional to 33,075.83, 49,620.57 and 10,890.53

Step by Step Solution

1. Step 1: Write the proportion equation
   33,075.83 : 49,620.57 = 10,890.53 : x
2. Step 2: Convert to fraction form
   33,075.83/49,620.57 = 10,890.53/x
3. Step 3: Cross multiply
   33,075.83x = 49,620.57 × 10,890.53
4. Step 4: Simplify right side
   33,075.83x = 540,394,306.20
5. Step 5: Solve for x
   x = 540,394,306.20/33,075.83
6. Step 6: Final answer
   x = 16,338.04