Finding the Fourth Proportional to 16,864.38, 23,274.50 and 9,790.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.38 : 23,274.50 = 9,790.38 : x
2. Step 2: Convert to fraction form
   16,864.38/23,274.50 = 9,790.38/x
3. Step 3: Cross multiply
   16,864.38x = 23,274.50 × 9,790.38
4. Step 4: Simplify right side
   16,864.38x = 227,866,150.36
5. Step 5: Solve for x
   x = 227,866,150.36/16,864.38
6. Step 6: Final answer
   x = 13,511.68