Finding the Fourth Proportional to 30,384, 41,929.92 and 17,136

Step by Step Solution

1. Step 1: Write the proportion equation
   30,384 : 41,929.92 = 17,136 : x
2. Step 2: Convert to fraction form
   30,384/41,929.92 = 17,136/x
3. Step 3: Cross multiply
   30,384x = 41,929.92 × 17,136
4. Step 4: Simplify right side
   30,384x = 718,511,109.12
5. Step 5: Solve for x
   x = 718,511,109.12/30,384
6. Step 6: Final answer
   x = 23,647.68