Finding the Fourth Proportional to 2,569.58, 3,544.34 and 1,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.58 : 3,544.34 = 1,574.50 : x
2. Step 2: Convert to fraction form
   2,569.58/3,544.34 = 1,574.50/x
3. Step 3: Cross multiply
   2,569.58x = 3,544.34 × 1,574.50
4. Step 4: Simplify right side
   2,569.58x = 5,580,563.33
5. Step 5: Solve for x
   x = 5,580,563.33/2,569.58
6. Step 6: Final answer
   x = 2,171.78