Finding the Fourth Proportional to 2,860.27, 3,947.15 and 1,601.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,860.27 : 3,947.15 = 1,601.34 : x
2. Step 2: Convert to fraction form
   2,860.27/3,947.15 = 1,601.34/x
3. Step 3: Cross multiply
   2,860.27x = 3,947.15 × 1,601.34
4. Step 4: Simplify right side
   2,860.27x = 6,320,717.37
5. Step 5: Solve for x
   x = 6,320,717.37/2,860.27
6. Step 6: Final answer
   x = 2,209.83