Finding the Fourth Proportional to 16,838.34, 23,236.71 and 9,284.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,838.34 : 23,236.71 = 9,284.49 : x
2. Step 2: Convert to fraction form
   16,838.34/23,236.71 = 9,284.49/x
3. Step 3: Cross multiply
   16,838.34x = 23,236.71 × 9,284.49
4. Step 4: Simplify right side
   16,838.34x = 215,741,001.63
5. Step 5: Solve for x
   x = 215,741,001.63/16,838.34
6. Step 6: Final answer
   x = 12,812.49