Finding the Fourth Proportional to 3,559.72, 5,338.84 and 962.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.72 : 5,338.84 = 962.05 : x
2. Step 2: Convert to fraction form
   3,559.72/5,338.84 = 962.05/x
3. Step 3: Cross multiply
   3,559.72x = 5,338.84 × 962.05
4. Step 4: Simplify right side
   3,559.72x = 5,136,231.02
5. Step 5: Solve for x
   x = 5,136,231.02/3,559.72
6. Step 6: Final answer
   x = 1,442.88