Finding the Fourth Proportional to 2,542.46, 3,508.56 and 1,423.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.46 : 3,508.56 = 1,423.40 : x
2. Step 2: Convert to fraction form
   2,542.46/3,508.56 = 1,423.40/x
3. Step 3: Cross multiply
   2,542.46x = 3,508.56 × 1,423.40
4. Step 4: Simplify right side
   2,542.46x = 4,994,084.30
5. Step 5: Solve for x
   x = 4,994,084.30/2,542.46
6. Step 6: Final answer
   x = 1,964.27