Finding the Fourth Proportional to 3,209.83, 4,424.42 and 2,422.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209.83 : 4,424.42 = 2,422.51 : x
2. Step 2: Convert to fraction form
   3,209.83/4,424.42 = 2,422.51/x
3. Step 3: Cross multiply
   3,209.83x = 4,424.42 × 2,422.51
4. Step 4: Simplify right side
   3,209.83x = 10,718,196.69
5. Step 5: Solve for x
   x = 10,718,196.69/3,209.83
6. Step 6: Final answer
   x = 3,339.18