Finding the Fourth Proportional to 3,782.35, 5,219.73 and 2,103.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.35 : 5,219.73 = 2,103.83 : x
2. Step 2: Convert to fraction form
   3,782.35/5,219.73 = 2,103.83/x
3. Step 3: Cross multiply
   3,782.35x = 5,219.73 × 2,103.83
4. Step 4: Simplify right side
   3,782.35x = 10,981,398.47
5. Step 5: Solve for x
   x = 10,981,398.47/3,782.35
6. Step 6: Final answer
   x = 2,903.33