Finding the Fourth Proportional to 995.82, 1,493.72 and 447.98

Step by Step Solution

1. Step 1: Write the proportion equation
   995.82 : 1,493.72 = 447.98 : x
2. Step 2: Convert to fraction form
   995.82/1,493.72 = 447.98/x
3. Step 3: Cross multiply
   995.82x = 1,493.72 × 447.98
4. Step 4: Simplify right side
   995.82x = 669,156.69
5. Step 5: Solve for x
   x = 669,156.69/995.82
6. Step 6: Final answer
   x = 671.97