Finding the Fourth Proportional to 2,092.16, 3,138.89 and 1,260.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.16 : 3,138.89 = 1,260.14 : x
2. Step 2: Convert to fraction form
   2,092.16/3,138.89 = 1,260.14/x
3. Step 3: Cross multiply
   2,092.16x = 3,138.89 × 1,260.14
4. Step 4: Simplify right side
   2,092.16x = 3,955,418.85
5. Step 5: Solve for x
   x = 3,955,418.85/2,092.16
6. Step 6: Final answer
   x = 1,890.59