Finding the Fourth Proportional to 4,039.83, 5,575.05 and 2,271.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039.83 : 5,575.05 = 2,271.57 : x
2. Step 2: Convert to fraction form
   4,039.83/5,575.05 = 2,271.57/x
3. Step 3: Cross multiply
   4,039.83x = 5,575.05 × 2,271.57
4. Step 4: Simplify right side
   4,039.83x = 12,664,116.33
5. Step 5: Solve for x
   x = 12,664,116.33/4,039.83
6. Step 6: Final answer
   x = 3,134.81