Finding the Fourth Proportional to 2,839.91, 4,260.27 and 892.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839.91 : 4,260.27 = 892.27 : x
2. Step 2: Convert to fraction form
   2,839.91/4,260.27 = 892.27/x
3. Step 3: Cross multiply
   2,839.91x = 4,260.27 × 892.27
4. Step 4: Simplify right side
   2,839.91x = 3,801,293.31
5. Step 5: Solve for x
   x = 3,801,293.31/2,839.91
6. Step 6: Final answer
   x = 1,338.53