Finding the Fourth Proportional to 2,568.32, 3,543.60 and 1,573.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.32 : 3,543.60 = 1,573.23 : x
2. Step 2: Convert to fraction form
   2,568.32/3,543.60 = 1,573.23/x
3. Step 3: Cross multiply
   2,568.32x = 3,543.60 × 1,573.23
4. Step 4: Simplify right side
   2,568.32x = 5,574,897.83
5. Step 5: Solve for x
   x = 5,574,897.83/2,568.32
6. Step 6: Final answer
   x = 2,170.64