Finding the Fourth Proportional to 2,726.71, 4,090.46 and 1,340.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.71 : 4,090.46 = 1,340.12 : x
2. Step 2: Convert to fraction form
   2,726.71/4,090.46 = 1,340.12/x
3. Step 3: Cross multiply
   2,726.71x = 4,090.46 × 1,340.12
4. Step 4: Simplify right side
   2,726.71x = 5,481,710.78
5. Step 5: Solve for x
   x = 5,481,710.78/2,726.71
6. Step 6: Final answer
   x = 2,010.38