Finding the Fourth Proportional to 1,196.53, 1,651.23 and 665.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.53 : 1,651.23 = 665.46 : x
2. Step 2: Convert to fraction form
   1,196.53/1,651.23 = 665.46/x
3. Step 3: Cross multiply
   1,196.53x = 1,651.23 × 665.46
4. Step 4: Simplify right side
   1,196.53x = 1,098,823.82
5. Step 5: Solve for x
   x = 1,098,823.82/1,196.53
6. Step 6: Final answer
   x = 918.34