Finding the Fourth Proportional to 2,601.79, 3,589.46 and 1,605.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.79 : 3,589.46 = 1,605.34 : x
2. Step 2: Convert to fraction form
   2,601.79/3,589.46 = 1,605.34/x
3. Step 3: Cross multiply
   2,601.79x = 3,589.46 × 1,605.34
4. Step 4: Simplify right side
   2,601.79x = 5,762,303.72
5. Step 5: Solve for x
   x = 5,762,303.72/2,601.79
6. Step 6: Final answer
   x = 2,214.75