Finding the Fourth Proportional to 2,066.37, 3,098.88 and 679.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.37 : 3,098.88 = 679.42 : x
2. Step 2: Convert to fraction form
   2,066.37/3,098.88 = 679.42/x
3. Step 3: Cross multiply
   2,066.37x = 3,098.88 × 679.42
4. Step 4: Simplify right side
   2,066.37x = 2,105,441.05
5. Step 5: Solve for x
   x = 2,105,441.05/2,066.37
6. Step 6: Final answer
   x = 1,018.91