Finding the Fourth Proportional to 3,697.81, 5,103.04 and 2,019.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.81 : 5,103.04 = 2,019.22 : x
2. Step 2: Convert to fraction form
   3,697.81/5,103.04 = 2,019.22/x
3. Step 3: Cross multiply
   3,697.81x = 5,103.04 × 2,019.22
4. Step 4: Simplify right side
   3,697.81x = 10,304,160.43
5. Step 5: Solve for x
   x = 10,304,160.43/3,697.81
6. Step 6: Final answer
   x = 2,786.56