Finding the Fourth Proportional to 2,839.62, 4,259.85 and 892.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839.62 : 4,259.85 = 892.38 : x
2. Step 2: Convert to fraction form
   2,839.62/4,259.85 = 892.38/x
3. Step 3: Cross multiply
   2,839.62x = 4,259.85 × 892.38
4. Step 4: Simplify right side
   2,839.62x = 3,801,404.94
5. Step 5: Solve for x
   x = 3,801,404.94/2,839.62
6. Step 6: Final answer
   x = 1,338.70