Finding the Fourth Proportional to 4,276.89, 6,404.49 and 3,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,276.89 : 6,404.49 = 3,581.82 : x
2. Step 2: Convert to fraction form
   4,276.89/6,404.49 = 3,581.82/x
3. Step 3: Cross multiply
   4,276.89x = 6,404.49 × 3,581.82
4. Step 4: Simplify right side
   4,276.89x = 22,939,730.37
5. Step 5: Solve for x
   x = 22,939,730.37/4,276.89
6. Step 6: Final answer
   x = 5,363.65