Finding the Fourth Proportional to 2,566.62, 3,541.68 and 1,572.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.62 : 3,541.68 = 1,572.18 : x
2. Step 2: Convert to fraction form
   2,566.62/3,541.68 = 1,572.18/x
3. Step 3: Cross multiply
   2,566.62x = 3,541.68 × 1,572.18
4. Step 4: Simplify right side
   2,566.62x = 5,568,158.46
5. Step 5: Solve for x
   x = 5,568,158.46/2,566.62
6. Step 6: Final answer
   x = 2,169.45