Finding the Fourth Proportional to 7,279.67, 10,910.37 and 3,114.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,279.67 : 10,910.37 = 3,114.78 : x
2. Step 2: Convert to fraction form
   7,279.67/10,910.37 = 3,114.78/x
3. Step 3: Cross multiply
   7,279.67x = 10,910.37 × 3,114.78
4. Step 4: Simplify right side
   7,279.67x = 33,983,402.27
5. Step 5: Solve for x
   x = 33,983,402.27/7,279.67
6. Step 6: Final answer
   x = 4,668.26