Finding the Fourth Proportional to 2,624.50, 3,934.42 and 979.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.50 : 3,934.42 = 979.93 : x
2. Step 2: Convert to fraction form
   2,624.50/3,934.42 = 979.93/x
3. Step 3: Cross multiply
   2,624.50x = 3,934.42 × 979.93
4. Step 4: Simplify right side
   2,624.50x = 3,855,456.19
5. Step 5: Solve for x
   x = 3,855,456.19/2,624.50
6. Step 6: Final answer
   x = 1,469.03