Finding the Fourth Proportional to 3,993.98, 5,993.80 and 1,804.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.98 : 5,993.80 = 1,804.55 : x
2. Step 2: Convert to fraction form
   3,993.98/5,993.80 = 1,804.55/x
3. Step 3: Cross multiply
   3,993.98x = 5,993.80 × 1,804.55
4. Step 4: Simplify right side
   3,993.98x = 10,816,077.31
5. Step 5: Solve for x
   x = 10,816,077.31/3,993.98
6. Step 6: Final answer
   x = 2,708.10