Finding the Fourth Proportional to 4,039.89, 5,574.98 and 2,271.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039.89 : 5,574.98 = 2,271.69 : x
2. Step 2: Convert to fraction form
   4,039.89/5,574.98 = 2,271.69/x
3. Step 3: Cross multiply
   4,039.89x = 5,574.98 × 2,271.69
4. Step 4: Simplify right side
   4,039.89x = 12,664,614.96
5. Step 5: Solve for x
   x = 12,664,614.96/4,039.89
6. Step 6: Final answer
   x = 3,134.89