Finding the Fourth Proportional to 2,559.22, 3,532 and 1,440.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.22 : 3,532 = 1,440.46 : x
2. Step 2: Convert to fraction form
   2,559.22/3,532 = 1,440.46/x
3. Step 3: Cross multiply
   2,559.22x = 3,532 × 1,440.46
4. Step 4: Simplify right side
   2,559.22x = 5,087,704.72
5. Step 5: Solve for x
   x = 5,087,704.72/2,559.22
6. Step 6: Final answer
   x = 1,987.99