Finding the Fourth Proportional to 1,196.32, 1,648.92 and 946.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.32 : 1,648.92 = 946.48 : x
2. Step 2: Convert to fraction form
   1,196.32/1,648.92 = 946.48/x
3. Step 3: Cross multiply
   1,196.32x = 1,648.92 × 946.48
4. Step 4: Simplify right side
   1,196.32x = 1,560,669.80
5. Step 5: Solve for x
   x = 1,560,669.80/1,196.32
6. Step 6: Final answer
   x = 1,304.56