Finding the Fourth Proportional to 3,636.89, 5,451.69 and 3,199.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.89 : 5,451.69 = 3,199.49 : x
2. Step 2: Convert to fraction form
   3,636.89/5,451.69 = 3,199.49/x
3. Step 3: Cross multiply
   3,636.89x = 5,451.69 × 3,199.49
4. Step 4: Simplify right side
   3,636.89x = 17,442,627.64
5. Step 5: Solve for x
   x = 17,442,627.64/3,636.89
6. Step 6: Final answer
   x = 4,796.03