Finding the Fourth Proportional to 16,085.36, 24,162.60 and 11,938.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.36 : 24,162.60 = 11,938.16 : x
2. Step 2: Convert to fraction form
   16,085.36/24,162.60 = 11,938.16/x
3. Step 3: Cross multiply
   16,085.36x = 24,162.60 × 11,938.16
4. Step 4: Simplify right side
   16,085.36x = 288,456,984.82
5. Step 5: Solve for x
   x = 288,456,984.82/16,085.36
6. Step 6: Final answer
   x = 17,932.89