Finding the Fourth Proportional to 3,669.21, 5,504.67 and 1,072.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.21 : 5,504.67 = 1,072.17 : x
2. Step 2: Convert to fraction form
   3,669.21/5,504.67 = 1,072.17/x
3. Step 3: Cross multiply
   3,669.21x = 5,504.67 × 1,072.17
4. Step 4: Simplify right side
   3,669.21x = 5,901,942.03
5. Step 5: Solve for x
   x = 5,901,942.03/3,669.21
6. Step 6: Final answer
   x = 1,608.50