Finding the Fourth Proportional to 4,196.11, 5,786.80 and 3,636.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,196.11 : 5,786.80 = 3,636.31 : x
2. Step 2: Convert to fraction form
   4,196.11/5,786.80 = 3,636.31/x
3. Step 3: Cross multiply
   4,196.11x = 5,786.80 × 3,636.31
4. Step 4: Simplify right side
   4,196.11x = 21,042,598.71
5. Step 5: Solve for x
   x = 21,042,598.71/4,196.11
6. Step 6: Final answer
   x = 5,014.79