Finding the Fourth Proportional to 2,471.57, 3,410.86 and 1,423.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.57 : 3,410.86 = 1,423.63 : x
2. Step 2: Convert to fraction form
   2,471.57/3,410.86 = 1,423.63/x
3. Step 3: Cross multiply
   2,471.57x = 3,410.86 × 1,423.63
4. Step 4: Simplify right side
   2,471.57x = 4,855,785.57
5. Step 5: Solve for x
   x = 4,855,785.57/2,471.57
6. Step 6: Final answer
   x = 1,964.66