Finding the Fourth Proportional to 3,635.69, 5,453.17 and 1,172.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.69 : 5,453.17 = 1,172.27 : x
2. Step 2: Convert to fraction form
   3,635.69/5,453.17 = 1,172.27/x
3. Step 3: Cross multiply
   3,635.69x = 5,453.17 × 1,172.27
4. Step 4: Simplify right side
   3,635.69x = 6,392,604.89
5. Step 5: Solve for x
   x = 6,392,604.89/3,635.69
6. Step 6: Final answer
   x = 1,758.29