Finding the Fourth Proportional to 2,227.38, 3,341.43 and 766.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.38 : 3,341.43 = 766.17 : x
2. Step 2: Convert to fraction form
   2,227.38/3,341.43 = 766.17/x
3. Step 3: Cross multiply
   2,227.38x = 3,341.43 × 766.17
4. Step 4: Simplify right side
   2,227.38x = 2,560,103.42
5. Step 5: Solve for x
   x = 2,560,103.42/2,227.38
6. Step 6: Final answer
   x = 1,149.38