Finding the Fourth Proportional to 3,662.57, 5,489.98 and 1,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.57 : 5,489.98 = 1,196.72 : x
2. Step 2: Convert to fraction form
   3,662.57/5,489.98 = 1,196.72/x
3. Step 3: Cross multiply
   3,662.57x = 5,489.98 × 1,196.72
4. Step 4: Simplify right side
   3,662.57x = 6,569,989.89
5. Step 5: Solve for x
   x = 6,569,989.89/3,662.57
6. Step 6: Final answer
   x = 1,793.82