Finding the Fourth Proportional to 2,560.51, 3,532.34 and 1,565.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.51 : 3,532.34 = 1,565.59 : x
2. Step 2: Convert to fraction form
   2,560.51/3,532.34 = 1,565.59/x
3. Step 3: Cross multiply
   2,560.51x = 3,532.34 × 1,565.59
4. Step 4: Simplify right side
   2,560.51x = 5,530,196.18
5. Step 5: Solve for x
   x = 5,530,196.18/2,560.51
6. Step 6: Final answer
   x = 2,159.80