Finding the Fourth Proportional to 3,697.99, 5,103.24 and 2,019.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.99 : 5,103.24 = 2,019.43 : x
2. Step 2: Convert to fraction form
   3,697.99/5,103.24 = 2,019.43/x
3. Step 3: Cross multiply
   3,697.99x = 5,103.24 × 2,019.43
4. Step 4: Simplify right side
   3,697.99x = 10,305,635.95
5. Step 5: Solve for x
   x = 10,305,635.95/3,697.99
6. Step 6: Final answer
   x = 2,786.82