Finding the Fourth Proportional to 2,330.28, 3,215.82 and 1,282.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.28 : 3,215.82 = 1,282.32 : x
2. Step 2: Convert to fraction form
   2,330.28/3,215.82 = 1,282.32/x
3. Step 3: Cross multiply
   2,330.28x = 3,215.82 × 1,282.32
4. Step 4: Simplify right side
   2,330.28x = 4,123,710.30
5. Step 5: Solve for x
   x = 4,123,710.30/2,330.28
6. Step 6: Final answer
   x = 1,769.62