Finding the Fourth Proportional to 7,279.69, 10,912.19 and 2,834.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,279.69 : 10,912.19 = 2,834.58 : x
2. Step 2: Convert to fraction form
   7,279.69/10,912.19 = 2,834.58/x
3. Step 3: Cross multiply
   7,279.69x = 10,912.19 × 2,834.58
4. Step 4: Simplify right side
   7,279.69x = 30,931,440.90
5. Step 5: Solve for x
   x = 30,931,440.90/7,279.69
6. Step 6: Final answer
   x = 4,249.01