Finding the Fourth Proportional to 1,456.58, 2,009.78 and 896.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.58 : 2,009.78 = 896.84 : x
2. Step 2: Convert to fraction form
   1,456.58/2,009.78 = 896.84/x
3. Step 3: Cross multiply
   1,456.58x = 2,009.78 × 896.84
4. Step 4: Simplify right side
   1,456.58x = 1,802,451.10
5. Step 5: Solve for x
   x = 1,802,451.10/1,456.58
6. Step 6: Final answer
   x = 1,237.45