Finding the Fourth Proportional to 2,671.54, 3,686.30 and 1,609.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671.54 : 3,686.30 = 1,609.22 : x
2. Step 2: Convert to fraction form
   2,671.54/3,686.30 = 1,609.22/x
3. Step 3: Cross multiply
   2,671.54x = 3,686.30 × 1,609.22
4. Step 4: Simplify right side
   2,671.54x = 5,932,067.69
5. Step 5: Solve for x
   x = 5,932,067.69/2,671.54
6. Step 6: Final answer
   x = 2,220.47