Finding the Fourth Proportional to 3,491.83, 5,229.18 and 2,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491.83 : 5,229.18 = 2,255.50 : x
2. Step 2: Convert to fraction form
   3,491.83/5,229.18 = 2,255.50/x
3. Step 3: Cross multiply
   3,491.83x = 5,229.18 × 2,255.50
4. Step 4: Simplify right side
   3,491.83x = 11,794,398.96
5. Step 5: Solve for x
   x = 11,794,398.96/3,491.83
6. Step 6: Final answer
   x = 3,377.71