Finding the Fourth Proportional to 2,555.24, 3,526.55 and 1,560.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.24 : 3,526.55 = 1,560.30 : x
2. Step 2: Convert to fraction form
   2,555.24/3,526.55 = 1,560.30/x
3. Step 3: Cross multiply
   2,555.24x = 3,526.55 × 1,560.30
4. Step 4: Simplify right side
   2,555.24x = 5,502,475.97
5. Step 5: Solve for x
   x = 5,502,475.97/2,555.24
6. Step 6: Final answer
   x = 2,153.41