Finding the Fourth Proportional to 9,349.82, 12,927.06 and 8,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,349.82 : 12,927.06 = 8,936.72 : x
2. Step 2: Convert to fraction form
   9,349.82/12,927.06 = 8,936.72/x
3. Step 3: Cross multiply
   9,349.82x = 12,927.06 × 8,936.72
4. Step 4: Simplify right side
   9,349.82x = 115,525,515.64
5. Step 5: Solve for x
   x = 115,525,515.64/9,349.82
6. Step 6: Final answer
   x = 12,355.91