Finding the Fourth Proportional to 3,992.27, 5,992.09 and 2,019.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.27 : 5,992.09 = 2,019.29 : x
2. Step 2: Convert to fraction form
   3,992.27/5,992.09 = 2,019.29/x
3. Step 3: Cross multiply
   3,992.27x = 5,992.09 × 2,019.29
4. Step 4: Simplify right side
   3,992.27x = 12,099,767.42
5. Step 5: Solve for x
   x = 12,099,767.42/3,992.27
6. Step 6: Final answer
   x = 3,030.80