Finding the Fourth Proportional to 2,560.48, 3,526.56 and 2,210.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.48 : 3,526.56 = 2,210.56 : x
2. Step 2: Convert to fraction form
   2,560.48/3,526.56 = 2,210.56/x
3. Step 3: Cross multiply
   2,560.48x = 3,526.56 × 2,210.56
4. Step 4: Simplify right side
   2,560.48x = 7,795,672.47
5. Step 5: Solve for x
   x = 7,795,672.47/2,560.48
6. Step 6: Final answer
   x = 3,044.61