Finding the Fourth Proportional to 2,591.60, 3,568.46 and 2,059.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.60 : 3,568.46 = 2,059.43 : x
2. Step 2: Convert to fraction form
   2,591.60/3,568.46 = 2,059.43/x
3. Step 3: Cross multiply
   2,591.60x = 3,568.46 × 2,059.43
4. Step 4: Simplify right side
   2,591.60x = 7,348,965.44
5. Step 5: Solve for x
   x = 7,348,965.44/2,591.60
6. Step 6: Final answer
   x = 2,835.69