Finding the Fourth Proportional to 12,711.50, 17,537.67 and 7,673.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.50 : 17,537.67 = 7,673.81 : x
2. Step 2: Convert to fraction form
   12,711.50/17,537.67 = 7,673.81/x
3. Step 3: Cross multiply
   12,711.50x = 17,537.67 × 7,673.81
4. Step 4: Simplify right side
   12,711.50x = 134,580,747.42
5. Step 5: Solve for x
   x = 134,580,747.42/12,711.50
6. Step 6: Final answer
   x = 10,587.32