Finding the Fourth Proportional to 2,542.71, 3,508.80 and 1,423.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.71 : 3,508.80 = 1,423.63 : x
2. Step 2: Convert to fraction form
   2,542.71/3,508.80 = 1,423.63/x
3. Step 3: Cross multiply
   2,542.71x = 3,508.80 × 1,423.63
4. Step 4: Simplify right side
   2,542.71x = 4,995,223.86
5. Step 5: Solve for x
   x = 4,995,223.86/2,542.71
6. Step 6: Final answer
   x = 1,964.53