Finding the Fourth Proportional to 3,782.30, 5,219.03 and 2,103.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.30 : 5,219.03 = 2,103.62 : x
2. Step 2: Convert to fraction form
   3,782.30/5,219.03 = 2,103.62/x
3. Step 3: Cross multiply
   3,782.30x = 5,219.03 × 2,103.62
4. Step 4: Simplify right side
   3,782.30x = 10,978,835.05
5. Step 5: Solve for x
   x = 10,978,835.05/3,782.30
6. Step 6: Final answer
   x = 2,902.69