Finding the Fourth Proportional to 3,636.37, 5,443.62 and 3,289.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.37 : 5,443.62 = 3,289.87 : x
2. Step 2: Convert to fraction form
   3,636.37/5,443.62 = 3,289.87/x
3. Step 3: Cross multiply
   3,636.37x = 5,443.62 × 3,289.87
4. Step 4: Simplify right side
   3,636.37x = 17,908,802.13
5. Step 5: Solve for x
   x = 17,908,802.13/3,636.37
6. Step 6: Final answer
   x = 4,924.91