Finding the Fourth Proportional to 2,723.88, 4,088.38 and 1,426.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.88 : 4,088.38 = 1,426.26 : x
2. Step 2: Convert to fraction form
   2,723.88/4,088.38 = 1,426.26/x
3. Step 3: Cross multiply
   2,723.88x = 4,088.38 × 1,426.26
4. Step 4: Simplify right side
   2,723.88x = 5,831,092.86
5. Step 5: Solve for x
   x = 5,831,092.86/2,723.88
6. Step 6: Final answer
   x = 2,140.73