Finding the Fourth Proportional to 12,548.73, 17,320.19 and 9,196.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.73 : 17,320.19 = 9,196.41 : x
2. Step 2: Convert to fraction form
   12,548.73/17,320.19 = 9,196.41/x
3. Step 3: Cross multiply
   12,548.73x = 17,320.19 × 9,196.41
4. Step 4: Simplify right side
   12,548.73x = 159,283,522.54
5. Step 5: Solve for x
   x = 159,283,522.54/12,548.73
6. Step 6: Final answer
   x = 12,693.20