Finding the Fourth Proportional to 2,596.71, 3,581.58 and 1,601.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596.71 : 3,581.58 = 1,601.63 : x
2. Step 2: Convert to fraction form
   2,596.71/3,581.58 = 1,601.63/x
3. Step 3: Cross multiply
   2,596.71x = 3,581.58 × 1,601.63
4. Step 4: Simplify right side
   2,596.71x = 5,736,365.98
5. Step 5: Solve for x
   x = 5,736,365.98/2,596.71
6. Step 6: Final answer
   x = 2,209.09