Finding the Fourth Proportional to 2,057.61, 3,082.10 and 962.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.61 : 3,082.10 = 962.85 : x
2. Step 2: Convert to fraction form
   2,057.61/3,082.10 = 962.85/x
3. Step 3: Cross multiply
   2,057.61x = 3,082.10 × 962.85
4. Step 4: Simplify right side
   2,057.61x = 2,967,595.17
5. Step 5: Solve for x
   x = 2,967,595.17/2,057.61
6. Step 6: Final answer
   x = 1,442.25