Finding the Fourth Proportional to 12,732.89, 17,571.11 and 7,067.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.89 : 17,571.11 = 7,067.31 : x
2. Step 2: Convert to fraction form
   12,732.89/17,571.11 = 7,067.31/x
3. Step 3: Cross multiply
   12,732.89x = 17,571.11 × 7,067.31
4. Step 4: Simplify right side
   12,732.89x = 124,180,411.23
5. Step 5: Solve for x
   x = 124,180,411.23/12,732.89
6. Step 6: Final answer
   x = 9,752.73