Finding the Fourth Proportional to 799.72, 1,103.46 and 484.84

Step by Step Solution

1. Step 1: Write the proportion equation
   799.72 : 1,103.46 = 484.84 : x
2. Step 2: Convert to fraction form
   799.72/1,103.46 = 484.84/x
3. Step 3: Cross multiply
   799.72x = 1,103.46 × 484.84
4. Step 4: Simplify right side
   799.72x = 535,001.55
5. Step 5: Solve for x
   x = 535,001.55/799.72
6. Step 6: Final answer
   x = 668.99