Finding the Fourth Proportional to 3,697.96, 5,103.27 and 2,019.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.96 : 5,103.27 = 2,019.43 : x
2. Step 2: Convert to fraction form
   3,697.96/5,103.27 = 2,019.43/x
3. Step 3: Cross multiply
   3,697.96x = 5,103.27 × 2,019.43
4. Step 4: Simplify right side
   3,697.96x = 10,305,696.54
5. Step 5: Solve for x
   x = 10,305,696.54/3,697.96
6. Step 6: Final answer
   x = 2,786.86