Finding the Fourth Proportional to 3,892.38, 5,839.20 and 1,260.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.38 : 5,839.20 = 1,260.54 : x
2. Step 2: Convert to fraction form
   3,892.38/5,839.20 = 1,260.54/x
3. Step 3: Cross multiply
   3,892.38x = 5,839.20 × 1,260.54
4. Step 4: Simplify right side
   3,892.38x = 7,360,545.17
5. Step 5: Solve for x
   x = 7,360,545.17/3,892.38
6. Step 6: Final answer
   x = 1,891.01