Finding the Fourth Proportional to 2,059.06, 3,085.71 and 960.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.06 : 3,085.71 = 960.70 : x
2. Step 2: Convert to fraction form
   2,059.06/3,085.71 = 960.70/x
3. Step 3: Cross multiply
   2,059.06x = 3,085.71 × 960.70
4. Step 4: Simplify right side
   2,059.06x = 2,964,441.60
5. Step 5: Solve for x
   x = 2,964,441.60/2,059.06
6. Step 6: Final answer
   x = 1,439.71