Finding the Fourth Proportional to 3,698.01, 5,103.18 and 2,019.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.01 : 5,103.18 = 2,019.34 : x
2. Step 2: Convert to fraction form
   3,698.01/5,103.18 = 2,019.34/x
3. Step 3: Cross multiply
   3,698.01x = 5,103.18 × 2,019.34
4. Step 4: Simplify right side
   3,698.01x = 10,305,055.50
5. Step 5: Solve for x
   x = 10,305,055.50/3,698.01
6. Step 6: Final answer
   x = 2,786.65