Finding the Fourth Proportional to 16,272.69, 24,362.55 and 15,239.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272.69 : 24,362.55 = 15,239.34 : x
2. Step 2: Convert to fraction form
   16,272.69/24,362.55 = 15,239.34/x
3. Step 3: Cross multiply
   16,272.69x = 24,362.55 × 15,239.34
4. Step 4: Simplify right side
   16,272.69x = 371,269,182.72
5. Step 5: Solve for x
   x = 371,269,182.72/16,272.69
6. Step 6: Final answer
   x = 22,815.48