Finding the Fourth Proportional to 2,330.23, 3,215.78 and 1,282.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.23 : 3,215.78 = 1,282.29 : x
2. Step 2: Convert to fraction form
   2,330.23/3,215.78 = 1,282.29/x
3. Step 3: Cross multiply
   2,330.23x = 3,215.78 × 1,282.29
4. Step 4: Simplify right side
   2,330.23x = 4,123,562.54
5. Step 5: Solve for x
   x = 4,123,562.54/2,330.23
6. Step 6: Final answer
   x = 1,769.59