Finding the Fourth Proportional to 2,831.58, 4,243.32 and 2,484.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.58 : 4,243.32 = 2,484.09 : x
2. Step 2: Convert to fraction form
   2,831.58/4,243.32 = 2,484.09/x
3. Step 3: Cross multiply
   2,831.58x = 4,243.32 × 2,484.09
4. Step 4: Simplify right side
   2,831.58x = 10,540,788.78
5. Step 5: Solve for x
   x = 10,540,788.78/2,831.58
6. Step 6: Final answer
   x = 3,722.58