Finding the Fourth Proportional to 13,733.82, 18,947.31 and 8,959.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,733.82 : 18,947.31 = 8,959.38 : x
2. Step 2: Convert to fraction form
   13,733.82/18,947.31 = 8,959.38/x
3. Step 3: Cross multiply
   13,733.82x = 18,947.31 × 8,959.38
4. Step 4: Simplify right side
   13,733.82x = 169,756,150.27
5. Step 5: Solve for x
   x = 169,756,150.27/13,733.82
6. Step 6: Final answer
   x = 12,360.45