Finding the Fourth Proportional to 1,196.39, 1,651.02 and 665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.39 : 1,651.02 = 665.32 : x
2. Step 2: Convert to fraction form
   1,196.39/1,651.02 = 665.32/x
3. Step 3: Cross multiply
   1,196.39x = 1,651.02 × 665.32
4. Step 4: Simplify right side
   1,196.39x = 1,098,455.91
5. Step 5: Solve for x
   x = 1,098,455.91/1,196.39
6. Step 6: Final answer
   x = 918.14