Finding the Fourth Proportional to 1,196.33, 1,650.93 and 665.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.33 : 1,650.93 = 665.22 : x
2. Step 2: Convert to fraction form
   1,196.33/1,650.93 = 665.22/x
3. Step 3: Cross multiply
   1,196.33x = 1,650.93 × 665.22
4. Step 4: Simplify right side
   1,196.33x = 1,098,231.65
5. Step 5: Solve for x
   x = 1,098,231.65/1,196.33
6. Step 6: Final answer
   x = 918.00