Finding the Fourth Proportional to 1,196.72, 1,794.12 and 547.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.72 : 1,794.12 = 547.88 : x
2. Step 2: Convert to fraction form
   1,196.72/1,794.12 = 547.88/x
3. Step 3: Cross multiply
   1,196.72x = 1,794.12 × 547.88
4. Step 4: Simplify right side
   1,196.72x = 982,962.47
5. Step 5: Solve for x
   x = 982,962.47/1,196.72
6. Step 6: Final answer
   x = 821.38