Finding the Fourth Proportional to 2,601.21, 3,589.24 and 1,606.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.21 : 3,589.24 = 1,606.81 : x
2. Step 2: Convert to fraction form
   2,601.21/3,589.24 = 1,606.81/x
3. Step 3: Cross multiply
   2,601.21x = 3,589.24 × 1,606.81
4. Step 4: Simplify right side
   2,601.21x = 5,767,226.72
5. Step 5: Solve for x
   x = 5,767,226.72/2,601.21
6. Step 6: Final answer
   x = 2,217.13