Finding the Fourth Proportional to 2,471.67, 3,410.75 and 1,423.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.67 : 3,410.75 = 1,423.71 : x
2. Step 2: Convert to fraction form
   2,471.67/3,410.75 = 1,423.71/x
3. Step 3: Cross multiply
   2,471.67x = 3,410.75 × 1,423.71
4. Step 4: Simplify right side
   2,471.67x = 4,855,911.76
5. Step 5: Solve for x
   x = 4,855,911.76/2,471.67
6. Step 6: Final answer
   x = 1,964.63