Finding the Fourth Proportional to 3,500.76, 4,831.04 and 2,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.76 : 4,831.04 = 2,103.78 : x
2. Step 2: Convert to fraction form
   3,500.76/4,831.04 = 2,103.78/x
3. Step 3: Cross multiply
   3,500.76x = 4,831.04 × 2,103.78
4. Step 4: Simplify right side
   3,500.76x = 10,163,445.33
5. Step 5: Solve for x
   x = 10,163,445.33/3,500.76
6. Step 6: Final answer
   x = 2,903.21