Finding the Fourth Proportional to 2,083.40, 3,139.43 and 1,726.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.40 : 3,139.43 = 1,726.16 : x
2. Step 2: Convert to fraction form
   2,083.40/3,139.43 = 1,726.16/x
3. Step 3: Cross multiply
   2,083.40x = 3,139.43 × 1,726.16
4. Step 4: Simplify right side
   2,083.40x = 5,419,158.49
5. Step 5: Solve for x
   x = 5,419,158.49/2,083.40
6. Step 6: Final answer
   x = 2,601.11