Finding the Fourth Proportional to 2,471.45, 3,410.22 and 1,423.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.45 : 3,410.22 = 1,423.31 : x
2. Step 2: Convert to fraction form
   2,471.45/3,410.22 = 1,423.31/x
3. Step 3: Cross multiply
   2,471.45x = 3,410.22 × 1,423.31
4. Step 4: Simplify right side
   2,471.45x = 4,853,808.75
5. Step 5: Solve for x
   x = 4,853,808.75/2,471.45
6. Step 6: Final answer
   x = 1,963.95