Finding the Fourth Proportional to 1,055.33, 1,456.48 and 662.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.33 : 1,456.48 = 662.28 : x
2. Step 2: Convert to fraction form
   1,055.33/1,456.48 = 662.28/x
3. Step 3: Cross multiply
   1,055.33x = 1,456.48 × 662.28
4. Step 4: Simplify right side
   1,055.33x = 964,592.94
5. Step 5: Solve for x
   x = 964,592.94/1,055.33
6. Step 6: Final answer
   x = 914.02