Finding the Fourth Proportional to 2,568.70, 3,546.84 and 1,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.70 : 3,546.84 = 1,574.50 : x
2. Step 2: Convert to fraction form
   2,568.70/3,546.84 = 1,574.50/x
3. Step 3: Cross multiply
   2,568.70x = 3,546.84 × 1,574.50
4. Step 4: Simplify right side
   2,568.70x = 5,584,499.58
5. Step 5: Solve for x
   x = 5,584,499.58/2,568.70
6. Step 6: Final answer
   x = 2,174.06