Finding the Fourth Proportional to 4,049.33, 5,586.90 and 2,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,049.33 : 5,586.90 = 2,790.72 : x
2. Step 2: Convert to fraction form
   4,049.33/5,586.90 = 2,790.72/x
3. Step 3: Cross multiply
   4,049.33x = 5,586.90 × 2,790.72
4. Step 4: Simplify right side
   4,049.33x = 15,591,473.57
5. Step 5: Solve for x
   x = 15,591,473.57/4,049.33
6. Step 6: Final answer
   x = 3,850.39