Finding the Fourth Proportional to 2,723.78, 4,084.59 and 1,424.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.78 : 4,084.59 = 1,424.54 : x
2. Step 2: Convert to fraction form
   2,723.78/4,084.59 = 1,424.54/x
3. Step 3: Cross multiply
   2,723.78x = 4,084.59 × 1,424.54
4. Step 4: Simplify right side
   2,723.78x = 5,818,661.84
5. Step 5: Solve for x
   x = 5,818,661.84/2,723.78
6. Step 6: Final answer
   x = 2,136.25