Finding the Fourth Proportional to 1,196.39, 1,650.99 and 672.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.39 : 1,650.99 = 672.59 : x
2. Step 2: Convert to fraction form
   1,196.39/1,650.99 = 672.59/x
3. Step 3: Cross multiply
   1,196.39x = 1,650.99 × 672.59
4. Step 4: Simplify right side
   1,196.39x = 1,110,439.36
5. Step 5: Solve for x
   x = 1,110,439.36/1,196.39
6. Step 6: Final answer
   x = 928.16