Finding the Fourth Proportional to 2,568.72, 3,543.39 and 1,624.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.72 : 3,543.39 = 1,624.22 : x
2. Step 2: Convert to fraction form
   2,568.72/3,543.39 = 1,624.22/x
3. Step 3: Cross multiply
   2,568.72x = 3,543.39 × 1,624.22
4. Step 4: Simplify right side
   2,568.72x = 5,755,244.91
5. Step 5: Solve for x
   x = 5,755,244.91/2,568.72
6. Step 6: Final answer
   x = 2,240.51