Finding the Fourth Proportional to 3,698.22, 5,103.50 and 2,019.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.22 : 5,103.50 = 2,019.62 : x
2. Step 2: Convert to fraction form
   3,698.22/5,103.50 = 2,019.62/x
3. Step 3: Cross multiply
   3,698.22x = 5,103.50 × 2,019.62
4. Step 4: Simplify right side
   3,698.22x = 10,307,148.48
5. Step 5: Solve for x
   x = 10,307,148.48/3,698.22
6. Step 6: Final answer
   x = 2,787.06