Finding the Fourth Proportional to 2,059.12, 3,085.59 and 962.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.12 : 3,085.59 = 962.20 : x
2. Step 2: Convert to fraction form
   2,059.12/3,085.59 = 962.20/x
3. Step 3: Cross multiply
   2,059.12x = 3,085.59 × 962.20
4. Step 4: Simplify right side
   2,059.12x = 2,968,954.70
5. Step 5: Solve for x
   x = 2,968,954.70/2,059.12
6. Step 6: Final answer
   x = 1,441.86