Finding the Fourth Proportional to 3,636.39, 5,455.69 and 1,296.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.39 : 5,455.69 = 1,296.09 : x
2. Step 2: Convert to fraction form
   3,636.39/5,455.69 = 1,296.09/x
3. Step 3: Cross multiply
   3,636.39x = 5,455.69 × 1,296.09
4. Step 4: Simplify right side
   3,636.39x = 7,071,065.25
5. Step 5: Solve for x
   x = 7,071,065.25/3,636.39
6. Step 6: Final answer
   x = 1,944.53