Finding the Fourth Proportional to 2,019.12, 3,029.15 and 979.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.12 : 3,029.15 = 979.62 : x
2. Step 2: Convert to fraction form
   2,019.12/3,029.15 = 979.62/x
3. Step 3: Cross multiply
   2,019.12x = 3,029.15 × 979.62
4. Step 4: Simplify right side
   2,019.12x = 2,967,411.02
5. Step 5: Solve for x
   x = 2,967,411.02/2,019.12
6. Step 6: Final answer
   x = 1,469.66