Finding the Fourth Proportional to 2,471.91, 3,404.37 and 2,287.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.91 : 3,404.37 = 2,287.23 : x
2. Step 2: Convert to fraction form
   2,471.91/3,404.37 = 2,287.23/x
3. Step 3: Cross multiply
   2,471.91x = 3,404.37 × 2,287.23
4. Step 4: Simplify right side
   2,471.91x = 7,786,577.20
5. Step 5: Solve for x
   x = 7,786,577.20/2,471.91
6. Step 6: Final answer
   x = 3,150.02