Finding the Fourth Proportional to 1,096.67, 1,644.64 and 366.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.67 : 1,644.64 = 366.05 : x
2. Step 2: Convert to fraction form
   1,096.67/1,644.64 = 366.05/x
3. Step 3: Cross multiply
   1,096.67x = 1,644.64 × 366.05
4. Step 4: Simplify right side
   1,096.67x = 602,020.47
5. Step 5: Solve for x
   x = 602,020.47/1,096.67
6. Step 6: Final answer
   x = 548.95