Finding the Fourth Proportional to 1,196.92, 1,651.81 and 672.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.92 : 1,651.81 = 672.98 : x
2. Step 2: Convert to fraction form
   1,196.92/1,651.81 = 672.98/x
3. Step 3: Cross multiply
   1,196.92x = 1,651.81 × 672.98
4. Step 4: Simplify right side
   1,196.92x = 1,111,635.09
5. Step 5: Solve for x
   x = 1,111,635.09/1,196.92
6. Step 6: Final answer
   x = 928.75