Finding the Fourth Proportional to 16,827.81, 23,222.54 and 9,274.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.81 : 23,222.54 = 9,274.42 : x
2. Step 2: Convert to fraction form
   16,827.81/23,222.54 = 9,274.42/x
3. Step 3: Cross multiply
   16,827.81x = 23,222.54 × 9,274.42
4. Step 4: Simplify right side
   16,827.81x = 215,375,485.00
5. Step 5: Solve for x
   x = 215,375,485.00/16,827.81
6. Step 6: Final answer
   x = 12,798.78