Finding the Fourth Proportional to 3,559.71, 5,339.85 and 962.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.71 : 5,339.85 = 962.61 : x
2. Step 2: Convert to fraction form
   3,559.71/5,339.85 = 962.61/x
3. Step 3: Cross multiply
   3,559.71x = 5,339.85 × 962.61
4. Step 4: Simplify right side
   3,559.71x = 5,140,193.01
5. Step 5: Solve for x
   x = 5,140,193.01/3,559.71
6. Step 6: Final answer
   x = 1,443.99