Finding the Fourth Proportional to 3,993.90, 5,993.57 and 2,047.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.90 : 5,993.57 = 2,047.47 : x
2. Step 2: Convert to fraction form
   3,993.90/5,993.57 = 2,047.47/x
3. Step 3: Cross multiply
   3,993.90x = 5,993.57 × 2,047.47
4. Step 4: Simplify right side
   3,993.90x = 12,271,654.77
5. Step 5: Solve for x
   x = 12,271,654.77/3,993.90
6. Step 6: Final answer
   x = 3,072.60