Finding the Fourth Proportional to 2,742.22, 4,111.17 and 1,442.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.22 : 4,111.17 = 1,442.98 : x
2. Step 2: Convert to fraction form
   2,742.22/4,111.17 = 1,442.98/x
3. Step 3: Cross multiply
   2,742.22x = 4,111.17 × 1,442.98
4. Step 4: Simplify right side
   2,742.22x = 5,932,336.09
5. Step 5: Solve for x
   x = 5,932,336.09/2,742.22
6. Step 6: Final answer
   x = 2,163.33