Finding the Fourth Proportional to 2,760.71, 4,141.46 and 912.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.71 : 4,141.46 = 912.29 : x
2. Step 2: Convert to fraction form
   2,760.71/4,141.46 = 912.29/x
3. Step 3: Cross multiply
   2,760.71x = 4,141.46 × 912.29
4. Step 4: Simplify right side
   2,760.71x = 3,778,194.12
5. Step 5: Solve for x
   x = 3,778,194.12/2,760.71
6. Step 6: Final answer
   x = 1,368.56