Finding the Fourth Proportional to 16,908.33, 23,319.33 and 12,669.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,908.33 : 23,319.33 = 12,669.34 : x
2. Step 2: Convert to fraction form
   16,908.33/23,319.33 = 12,669.34/x
3. Step 3: Cross multiply
   16,908.33x = 23,319.33 × 12,669.34
4. Step 4: Simplify right side
   16,908.33x = 295,440,520.34
5. Step 5: Solve for x
   x = 295,440,520.34/16,908.33
6. Step 6: Final answer
   x = 17,473.08