Finding the Fourth Proportional to 1,196.52, 1,651.35 and 672.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.52 : 1,651.35 = 672.55 : x
2. Step 2: Convert to fraction form
   1,196.52/1,651.35 = 672.55/x
3. Step 3: Cross multiply
   1,196.52x = 1,651.35 × 672.55
4. Step 4: Simplify right side
   1,196.52x = 1,110,615.44
5. Step 5: Solve for x
   x = 1,110,615.44/1,196.52
6. Step 6: Final answer
   x = 928.20