Finding the Fourth Proportional to 2,066.09, 3,098.84 and 679.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.09 : 3,098.84 = 679.48 : x
2. Step 2: Convert to fraction form
   2,066.09/3,098.84 = 679.48/x
3. Step 3: Cross multiply
   2,066.09x = 3,098.84 × 679.48
4. Step 4: Simplify right side
   2,066.09x = 2,105,599.80
5. Step 5: Solve for x
   x = 2,105,599.80/2,066.09
6. Step 6: Final answer
   x = 1,019.12