Finding the Fourth Proportional to 1,196.35, 1,650.98 and 672.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.35 : 1,650.98 = 672.38 : x
2. Step 2: Convert to fraction form
   1,196.35/1,650.98 = 672.38/x
3. Step 3: Cross multiply
   1,196.35x = 1,650.98 × 672.38
4. Step 4: Simplify right side
   1,196.35x = 1,110,074.32
5. Step 5: Solve for x
   x = 1,110,074.32/1,196.35
6. Step 6: Final answer
   x = 927.89