Finding the Fourth Proportional to 16,827.31, 23,222.72 and 9,273.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.31 : 23,222.72 = 9,273.64 : x
2. Step 2: Convert to fraction form
   16,827.31/23,222.72 = 9,273.64/x
3. Step 3: Cross multiply
   16,827.31x = 23,222.72 × 9,273.64
4. Step 4: Simplify right side
   16,827.31x = 215,359,098.73
5. Step 5: Solve for x
   x = 215,359,098.73/16,827.31
6. Step 6: Final answer
   x = 12,798.19