Finding the Fourth Proportional to 1,196.45, 1,792.16 and 547.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.45 : 1,792.16 = 547.73 : x
2. Step 2: Convert to fraction form
   1,196.45/1,792.16 = 547.73/x
3. Step 3: Cross multiply
   1,196.45x = 1,792.16 × 547.73
4. Step 4: Simplify right side
   1,196.45x = 981,617.06
5. Step 5: Solve for x
   x = 981,617.06/1,196.45
6. Step 6: Final answer
   x = 820.44