Finding the Fourth Proportional to 2,409.31, 3,325.40 and 1,568.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409.31 : 3,325.40 = 1,568.55 : x
2. Step 2: Convert to fraction form
   2,409.31/3,325.40 = 1,568.55/x
3. Step 3: Cross multiply
   2,409.31x = 3,325.40 × 1,568.55
4. Step 4: Simplify right side
   2,409.31x = 5,216,050.92
5. Step 5: Solve for x
   x = 5,216,050.92/2,409.31
6. Step 6: Final answer
   x = 2,164.96