Finding the Fourth Proportional to 2,560.45, 3,533.46 and 1,565.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.45 : 3,533.46 = 1,565.52 : x
2. Step 2: Convert to fraction form
   2,560.45/3,533.46 = 1,565.52/x
3. Step 3: Cross multiply
   2,560.45x = 3,533.46 × 1,565.52
4. Step 4: Simplify right side
   2,560.45x = 5,531,702.30
5. Step 5: Solve for x
   x = 5,531,702.30/2,560.45
6. Step 6: Final answer
   x = 2,160.44