Finding the Fourth Proportional to 2,293.18, 3,163.89 and 1,408.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.18 : 3,163.89 = 1,408.42 : x
2. Step 2: Convert to fraction form
   2,293.18/3,163.89 = 1,408.42/x
3. Step 3: Cross multiply
   2,293.18x = 3,163.89 × 1,408.42
4. Step 4: Simplify right side
   2,293.18x = 4,456,085.95
5. Step 5: Solve for x
   x = 4,456,085.95/2,293.18
6. Step 6: Final answer
   x = 1,943.19