Finding the Fourth Proportional to 17,016.48, 25,542 and 12,091.68

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.48 : 25,542 = 12,091.68 : x
2. Step 2: Convert to fraction form
   17,016.48/25,542 = 12,091.68/x
3. Step 3: Cross multiply
   17,016.48x = 25,542 × 12,091.68
4. Step 4: Simplify right side
   17,016.48x = 308,845,690.56
5. Step 5: Solve for x
   x = 308,845,690.56/17,016.48
6. Step 6: Final answer
   x = 18,149.80