Finding the Fourth Proportional to 8,636.56, 12,933.57 and 5,507.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636.56 : 12,933.57 = 5,507.33 : x
2. Step 2: Convert to fraction form
   8,636.56/12,933.57 = 5,507.33/x
3. Step 3: Cross multiply
   8,636.56x = 12,933.57 × 5,507.33
4. Step 4: Simplify right side
   8,636.56x = 71,229,394.05
5. Step 5: Solve for x
   x = 71,229,394.05/8,636.56
6. Step 6: Final answer
   x = 8,247.43