Finding the Fourth Proportional to 1,196.73, 1,647.61 and 944.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.73 : 1,647.61 = 944.21 : x
2. Step 2: Convert to fraction form
   1,196.73/1,647.61 = 944.21/x
3. Step 3: Cross multiply
   1,196.73x = 1,647.61 × 944.21
4. Step 4: Simplify right side
   1,196.73x = 1,555,691.60
5. Step 5: Solve for x
   x = 1,555,691.60/1,196.73
6. Step 6: Final answer
   x = 1,299.95