Finding the Fourth Proportional to 3,993.13, 5,989.71 and 1,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.13 : 5,989.71 = 1,799.31 : x
2. Step 2: Convert to fraction form
   3,993.13/5,989.71 = 1,799.31/x
3. Step 3: Cross multiply
   3,993.13x = 5,989.71 × 1,799.31
4. Step 4: Simplify right side
   3,993.13x = 10,777,374.31
5. Step 5: Solve for x
   x = 10,777,374.31/3,993.13
6. Step 6: Final answer
   x = 2,698.98