Finding the Fourth Proportional to 2,568.10, 3,543.30 and 1,505.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.10 : 3,543.30 = 1,505.29 : x
2. Step 2: Convert to fraction form
   2,568.10/3,543.30 = 1,505.29/x
3. Step 3: Cross multiply
   2,568.10x = 3,543.30 × 1,505.29
4. Step 4: Simplify right side
   2,568.10x = 5,333,694.06
5. Step 5: Solve for x
   x = 5,333,694.06/2,568.10
6. Step 6: Final answer
   x = 2,076.90