Finding the Fourth Proportional to 1,456.43, 2,010.04 and 896.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.43 : 2,010.04 = 896.79 : x
2. Step 2: Convert to fraction form
   1,456.43/2,010.04 = 896.79/x
3. Step 3: Cross multiply
   1,456.43x = 2,010.04 × 896.79
4. Step 4: Simplify right side
   1,456.43x = 1,802,581.53
5. Step 5: Solve for x
   x = 1,802,581.53/1,456.43
6. Step 6: Final answer
   x = 1,237.67