Finding the Fourth Proportional to 4,039.72, 5,574.52 and 2,271

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039.72 : 5,574.52 = 2,271 : x
2. Step 2: Convert to fraction form
   4,039.72/5,574.52 = 2,271/x
3. Step 3: Cross multiply
   4,039.72x = 5,574.52 × 2,271
4. Step 4: Simplify right side
   4,039.72x = 12,659,734.92
5. Step 5: Solve for x
   x = 12,659,734.92/4,039.72
6. Step 6: Final answer
   x = 3,133.81