Finding the Fourth Proportional to 2,555.52, 3,526.94 and 1,560.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.52 : 3,526.94 = 1,560.59 : x
2. Step 2: Convert to fraction form
   2,555.52/3,526.94 = 1,560.59/x
3. Step 3: Cross multiply
   2,555.52x = 3,526.94 × 1,560.59
4. Step 4: Simplify right side
   2,555.52x = 5,504,081.86
5. Step 5: Solve for x
   x = 5,504,081.86/2,555.52
6. Step 6: Final answer
   x = 2,153.81