Finding the Fourth Proportional to 2,601.71, 3,589.94 and 1,607.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.71 : 3,589.94 = 1,607.31 : x
2. Step 2: Convert to fraction form
   2,601.71/3,589.94 = 1,607.31/x
3. Step 3: Cross multiply
   2,601.71x = 3,589.94 × 1,607.31
4. Step 4: Simplify right side
   2,601.71x = 5,770,138.42
5. Step 5: Solve for x
   x = 5,770,138.42/2,601.71
6. Step 6: Final answer
   x = 2,217.83