Finding the Fourth Proportional to 10,734.72, 16,076.62 and 8,506.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,734.72 : 16,076.62 = 8,506.38 : x
2. Step 2: Convert to fraction form
   10,734.72/16,076.62 = 8,506.38/x
3. Step 3: Cross multiply
   10,734.72x = 16,076.62 × 8,506.38
4. Step 4: Simplify right side
   10,734.72x = 136,753,912.25
5. Step 5: Solve for x
   x = 136,753,912.25/10,734.72
6. Step 6: Final answer
   x = 12,739.41