Finding the Fourth Proportional to 3,698.72, 5,104.16 and 2,020.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.72 : 5,104.16 = 2,020.14 : x
2. Step 2: Convert to fraction form
   3,698.72/5,104.16 = 2,020.14/x
3. Step 3: Cross multiply
   3,698.72x = 5,104.16 × 2,020.14
4. Step 4: Simplify right side
   3,698.72x = 10,311,117.78
5. Step 5: Solve for x
   x = 10,311,117.78/3,698.72
6. Step 6: Final answer
   x = 2,787.75