Finding the Fourth Proportional to 15,859.82, 23,768.72 and 8,448.32

Step by Step Solution

1. Step 1: Write the proportion equation
   15,859.82 : 23,768.72 = 8,448.32 : x
2. Step 2: Convert to fraction form
   15,859.82/23,768.72 = 8,448.32/x
3. Step 3: Cross multiply
   15,859.82x = 23,768.72 × 8,448.32
4. Step 4: Simplify right side
   15,859.82x = 200,805,752.55
5. Step 5: Solve for x
   x = 200,805,752.55/15,859.82
6. Step 6: Final answer
   x = 12,661.29