Finding the Fourth Proportional to 1,456.08, 2,010.43 and 896.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.08 : 2,010.43 = 896.73 : x
2. Step 2: Convert to fraction form
   1,456.08/2,010.43 = 896.73/x
3. Step 3: Cross multiply
   1,456.08x = 2,010.43 × 896.73
4. Step 4: Simplify right side
   1,456.08x = 1,802,812.89
5. Step 5: Solve for x
   x = 1,802,812.89/1,456.08
6. Step 6: Final answer
   x = 1,238.13