Finding the Fourth Proportional to 2,766.69, 4,142.72 and 2,281.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.69 : 4,142.72 = 2,281.91 : x
2. Step 2: Convert to fraction form
   2,766.69/4,142.72 = 2,281.91/x
3. Step 3: Cross multiply
   2,766.69x = 4,142.72 × 2,281.91
4. Step 4: Simplify right side
   2,766.69x = 9,453,292.43
5. Step 5: Solve for x
   x = 9,453,292.43/2,766.69
6. Step 6: Final answer
   x = 3,416.82