Finding the Fourth Proportional to 3,998.16, 5,992.38 and 2,049.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998.16 : 5,992.38 = 2,049.30 : x
2. Step 2: Convert to fraction form
   3,998.16/5,992.38 = 2,049.30/x
3. Step 3: Cross multiply
   3,998.16x = 5,992.38 × 2,049.30
4. Step 4: Simplify right side
   3,998.16x = 12,280,184.33
5. Step 5: Solve for x
   x = 12,280,184.33/3,998.16
6. Step 6: Final answer
   x = 3,071.46