Finding the Fourth Proportional to 3,698.33, 5,103.54 and 2,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.33 : 5,103.54 = 2,019.69 : x
2. Step 2: Convert to fraction form
   3,698.33/5,103.54 = 2,019.69/x
3. Step 3: Cross multiply
   3,698.33x = 5,103.54 × 2,019.69
4. Step 4: Simplify right side
   3,698.33x = 10,307,568.70
5. Step 5: Solve for x
   x = 10,307,568.70/3,698.33
6. Step 6: Final answer
   x = 2,787.09