Finding the Fourth Proportional to 2,367.78, 3,267.16 and 1,423.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.78 : 3,267.16 = 1,423.35 : x
2. Step 2: Convert to fraction form
   2,367.78/3,267.16 = 1,423.35/x
3. Step 3: Cross multiply
   2,367.78x = 3,267.16 × 1,423.35
4. Step 4: Simplify right side
   2,367.78x = 4,650,288.73
5. Step 5: Solve for x
   x = 4,650,288.73/2,367.78
6. Step 6: Final answer
   x = 1,963.99