Finding the Fourth Proportional to 2,018.79, 3,030.08 and 979.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.79 : 3,030.08 = 979.34 : x
2. Step 2: Convert to fraction form
   2,018.79/3,030.08 = 979.34/x
3. Step 3: Cross multiply
   2,018.79x = 3,030.08 × 979.34
4. Step 4: Simplify right side
   2,018.79x = 2,967,458.50
5. Step 5: Solve for x
   x = 2,967,458.50/2,018.79
6. Step 6: Final answer
   x = 1,469.92