Finding the Fourth Proportional to 3,066.76, 4,234.83 and 2,279.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.76 : 4,234.83 = 2,279.44 : x
2. Step 2: Convert to fraction form
   3,066.76/4,234.83 = 2,279.44/x
3. Step 3: Cross multiply
   3,066.76x = 4,234.83 × 2,279.44
4. Step 4: Simplify right side
   3,066.76x = 9,653,019.72
5. Step 5: Solve for x
   x = 9,653,019.72/3,066.76
6. Step 6: Final answer
   x = 3,147.63