Finding the Fourth Proportional to 2,092.15, 3,134.04 and 1,258.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.15 : 3,134.04 = 1,258.76 : x
2. Step 2: Convert to fraction form
   2,092.15/3,134.04 = 1,258.76/x
3. Step 3: Cross multiply
   2,092.15x = 3,134.04 × 1,258.76
4. Step 4: Simplify right side
   2,092.15x = 3,944,988.52
5. Step 5: Solve for x
   x = 3,944,988.52/2,092.15
6. Step 6: Final answer
   x = 1,885.61