Finding the Fourth Proportional to 2,471.38, 3,410.85 and 1,423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.38 : 3,410.85 = 1,423.42 : x
2. Step 2: Convert to fraction form
   2,471.38/3,410.85 = 1,423.42/x
3. Step 3: Cross multiply
   2,471.38x = 3,410.85 × 1,423.42
4. Step 4: Simplify right side
   2,471.38x = 4,855,072.11
5. Step 5: Solve for x
   x = 4,855,072.11/2,471.38
6. Step 6: Final answer
   x = 1,964.52