Finding the Fourth Proportional to 1,196.96, 1,651.89 and 672.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.96 : 1,651.89 = 672.99 : x
2. Step 2: Convert to fraction form
   1,196.96/1,651.89 = 672.99/x
3. Step 3: Cross multiply
   1,196.96x = 1,651.89 × 672.99
4. Step 4: Simplify right side
   1,196.96x = 1,111,705.45
5. Step 5: Solve for x
   x = 1,111,705.45/1,196.96
6. Step 6: Final answer
   x = 928.78