Finding the Fourth Proportional to 2,726.28, 4,086.27 and 1,262.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.28 : 4,086.27 = 1,262.37 : x
2. Step 2: Convert to fraction form
   2,726.28/4,086.27 = 1,262.37/x
3. Step 3: Cross multiply
   2,726.28x = 4,086.27 × 1,262.37
4. Step 4: Simplify right side
   2,726.28x = 5,158,384.66
5. Step 5: Solve for x
   x = 5,158,384.66/2,726.28
6. Step 6: Final answer
   x = 1,892.10