Finding the Fourth Proportional to 1,196.32, 1,650.92 and 672.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.32 : 1,650.92 = 672.36 : x
2. Step 2: Convert to fraction form
   1,196.32/1,650.92 = 672.36/x
3. Step 3: Cross multiply
   1,196.32x = 1,650.92 × 672.36
4. Step 4: Simplify right side
   1,196.32x = 1,110,012.57
5. Step 5: Solve for x
   x = 1,110,012.57/1,196.32
6. Step 6: Final answer
   x = 927.86