Finding the Fourth Proportional to 2,504.57, 3,456.07 and 1,560.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.57 : 3,456.07 = 1,560.21 : x
2. Step 2: Convert to fraction form
   2,504.57/3,456.07 = 1,560.21/x
3. Step 3: Cross multiply
   2,504.57x = 3,456.07 × 1,560.21
4. Step 4: Simplify right side
   2,504.57x = 5,392,197.55
5. Step 5: Solve for x
   x = 5,392,197.55/2,504.57
6. Step 6: Final answer
   x = 2,152.94