Finding the Fourth Proportional to 2,559.74, 3,530.71 and 1,563.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.74 : 3,530.71 = 1,563.75 : x
2. Step 2: Convert to fraction form
   2,559.74/3,530.71 = 1,563.75/x
3. Step 3: Cross multiply
   2,559.74x = 3,530.71 × 1,563.75
4. Step 4: Simplify right side
   2,559.74x = 5,521,147.76
5. Step 5: Solve for x
   x = 5,521,147.76/2,559.74
6. Step 6: Final answer
   x = 2,156.92