Finding the Fourth Proportional to 2,057.68, 3,086.76 and 962.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.68 : 3,086.76 = 962.08 : x
2. Step 2: Convert to fraction form
   2,057.68/3,086.76 = 962.08/x
3. Step 3: Cross multiply
   2,057.68x = 3,086.76 × 962.08
4. Step 4: Simplify right side
   2,057.68x = 2,969,710.06
5. Step 5: Solve for x
   x = 2,969,710.06/2,057.68
6. Step 6: Final answer
   x = 1,443.23