Finding the Fourth Proportional to 3,636.50, 5,455.52 and 1,171.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.50 : 5,455.52 = 1,171.51 : x
2. Step 2: Convert to fraction form
   3,636.50/5,455.52 = 1,171.51/x
3. Step 3: Cross multiply
   3,636.50x = 5,455.52 × 1,171.51
4. Step 4: Simplify right side
   3,636.50x = 6,391,185.53
5. Step 5: Solve for x
   x = 6,391,185.53/3,636.50
6. Step 6: Final answer
   x = 1,757.51