Finding the Fourth Proportional to 2,572.55, 3,550.98 and 1,564.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.55 : 3,550.98 = 1,564.25 : x
2. Step 2: Convert to fraction form
   2,572.55/3,550.98 = 1,564.25/x
3. Step 3: Cross multiply
   2,572.55x = 3,550.98 × 1,564.25
4. Step 4: Simplify right side
   2,572.55x = 5,554,620.47
5. Step 5: Solve for x
   x = 5,554,620.47/2,572.55
6. Step 6: Final answer
   x = 2,159.19