Finding the Fourth Proportional to 2,586.92, 3,568.79 and 1,591.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.92 : 3,568.79 = 1,591.83 : x
2. Step 2: Convert to fraction form
   2,586.92/3,568.79 = 1,591.83/x
3. Step 3: Cross multiply
   2,586.92x = 3,568.79 × 1,591.83
4. Step 4: Simplify right side
   2,586.92x = 5,680,899.03
5. Step 5: Solve for x
   x = 5,680,899.03/2,586.92
6. Step 6: Final answer
   x = 2,196.01