Finding the Fourth Proportional to 3,930.83, 5,424.59 and 2,252.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.83 : 5,424.59 = 2,252.30 : x
2. Step 2: Convert to fraction form
   3,930.83/5,424.59 = 2,252.30/x
3. Step 3: Cross multiply
   3,930.83x = 5,424.59 × 2,252.30
4. Step 4: Simplify right side
   3,930.83x = 12,217,792.80
5. Step 5: Solve for x
   x = 12,217,792.80/3,930.83
6. Step 6: Final answer
   x = 3,108.20