Finding the Fourth Proportional to 2,471.40, 3,410.82 and 1,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.40 : 3,410.82 = 1,423.50 : x
2. Step 2: Convert to fraction form
   2,471.40/3,410.82 = 1,423.50/x
3. Step 3: Cross multiply
   2,471.40x = 3,410.82 × 1,423.50
4. Step 4: Simplify right side
   2,471.40x = 4,855,302.27
5. Step 5: Solve for x
   x = 4,855,302.27/2,471.40
6. Step 6: Final answer
   x = 1,964.60