Finding the Fourth Proportional to 2,726.22, 4,086.90 and 1,425.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.22 : 4,086.90 = 1,425.36 : x
2. Step 2: Convert to fraction form
   2,726.22/4,086.90 = 1,425.36/x
3. Step 3: Cross multiply
   2,726.22x = 4,086.90 × 1,425.36
4. Step 4: Simplify right side
   2,726.22x = 5,825,303.78
5. Step 5: Solve for x
   x = 5,825,303.78/2,726.22
6. Step 6: Final answer
   x = 2,136.77