Finding the Fourth Proportional to 1,196.98, 1,651.98 and 673

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.98 : 1,651.98 = 673 : x
2. Step 2: Convert to fraction form
   1,196.98/1,651.98 = 673/x
3. Step 3: Cross multiply
   1,196.98x = 1,651.98 × 673
4. Step 4: Simplify right side
   1,196.98x = 1,111,782.54
5. Step 5: Solve for x
   x = 1,111,782.54/1,196.98
6. Step 6: Final answer
   x = 928.82