Finding the Fourth Proportional to 2,761.41, 4,141.24 and 912.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.41 : 4,141.24 = 912.18 : x
2. Step 2: Convert to fraction form
   2,761.41/4,141.24 = 912.18/x
3. Step 3: Cross multiply
   2,761.41x = 4,141.24 × 912.18
4. Step 4: Simplify right side
   2,761.41x = 3,777,556.30
5. Step 5: Solve for x
   x = 3,777,556.30/2,761.41
6. Step 6: Final answer
   x = 1,367.98