Finding the Fourth Proportional to 1,196.74, 1,651.53 and 672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.74 : 1,651.53 = 672.82 : x
2. Step 2: Convert to fraction form
   1,196.74/1,651.53 = 672.82/x
3. Step 3: Cross multiply
   1,196.74x = 1,651.53 × 672.82
4. Step 4: Simplify right side
   1,196.74x = 1,111,182.41
5. Step 5: Solve for x
   x = 1,111,182.41/1,196.74
6. Step 6: Final answer
   x = 928.51