Finding the Fourth Proportional to 3,502.84, 4,831.62 and 2,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,502.84 : 4,831.62 = 2,105.59 : x
2. Step 2: Convert to fraction form
   3,502.84/4,831.62 = 2,105.59/x
3. Step 3: Cross multiply
   3,502.84x = 4,831.62 × 2,105.59
4. Step 4: Simplify right side
   3,502.84x = 10,173,410.76
5. Step 5: Solve for x
   x = 10,173,410.76/3,502.84
6. Step 6: Final answer
   x = 2,904.33