Finding the Fourth Proportional to 3,662.73, 5,490.21 and 1,196.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.73 : 5,490.21 = 1,196.89 : x
2. Step 2: Convert to fraction form
   3,662.73/5,490.21 = 1,196.89/x
3. Step 3: Cross multiply
   3,662.73x = 5,490.21 × 1,196.89
4. Step 4: Simplify right side
   3,662.73x = 6,571,177.45
5. Step 5: Solve for x
   x = 6,571,177.45/3,662.73
6. Step 6: Final answer
   x = 1,794.07