Finding the Fourth Proportional to 1,055.03, 1,456.38 and 662.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.03 : 1,456.38 = 662.18 : x
2. Step 2: Convert to fraction form
   1,055.03/1,456.38 = 662.18/x
3. Step 3: Cross multiply
   1,055.03x = 1,456.38 × 662.18
4. Step 4: Simplify right side
   1,055.03x = 964,378.43
5. Step 5: Solve for x
   x = 964,378.43/1,055.03
6. Step 6: Final answer
   x = 914.08