Finding the Fourth Proportional to 13,182.82, 18,212.06 and 8,656.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,182.82 : 18,212.06 = 8,656.24 : x
2. Step 2: Convert to fraction form
   13,182.82/18,212.06 = 8,656.24/x
3. Step 3: Cross multiply
   13,182.82x = 18,212.06 × 8,656.24
4. Step 4: Simplify right side
   13,182.82x = 157,647,962.25
5. Step 5: Solve for x
   x = 157,647,962.25/13,182.82
6. Step 6: Final answer
   x = 11,958.59