Finding the Fourth Proportional to 2,560.18, 3,532.92 and 1,441.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.18 : 3,532.92 = 1,441.30 : x
2. Step 2: Convert to fraction form
   2,560.18/3,532.92 = 1,441.30/x
3. Step 3: Cross multiply
   2,560.18x = 3,532.92 × 1,441.30
4. Step 4: Simplify right side
   2,560.18x = 5,091,997.60
5. Step 5: Solve for x
   x = 5,091,997.60/2,560.18
6. Step 6: Final answer
   x = 1,988.92