Finding the Fourth Proportional to 2,740.79, 4,111.54 and 1,442.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.79 : 4,111.54 = 1,442.33 : x
2. Step 2: Convert to fraction form
   2,740.79/4,111.54 = 1,442.33/x
3. Step 3: Cross multiply
   2,740.79x = 4,111.54 × 1,442.33
4. Step 4: Simplify right side
   2,740.79x = 5,930,173.32
5. Step 5: Solve for x
   x = 5,930,173.32/2,740.79
6. Step 6: Final answer
   x = 2,163.68