Finding the Fourth Proportional to 2,227.28, 3,341.01 and 667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.28 : 3,341.01 = 667.31 : x
2. Step 2: Convert to fraction form
   2,227.28/3,341.01 = 667.31/x
3. Step 3: Cross multiply
   2,227.28x = 3,341.01 × 667.31
4. Step 4: Simplify right side
   2,227.28x = 2,229,489.38
5. Step 5: Solve for x
   x = 2,229,489.38/2,227.28
6. Step 6: Final answer
   x = 1,000.99