Finding the Fourth Proportional to 3,111.71, 4,298.24 and 2,324.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.71 : 4,298.24 = 2,324.39 : x
2. Step 2: Convert to fraction form
   3,111.71/4,298.24 = 2,324.39/x
3. Step 3: Cross multiply
   3,111.71x = 4,298.24 × 2,324.39
4. Step 4: Simplify right side
   3,111.71x = 9,990,770.39
5. Step 5: Solve for x
   x = 9,990,770.39/3,111.71
6. Step 6: Final answer
   x = 3,210.71