Finding the Fourth Proportional to 16,827.64, 23,222.61 and 9,658.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.64 : 23,222.61 = 9,658.17 : x
2. Step 2: Convert to fraction form
   16,827.64/23,222.61 = 9,658.17/x
3. Step 3: Cross multiply
   16,827.64x = 23,222.61 × 9,658.17
4. Step 4: Simplify right side
   16,827.64x = 224,287,915.22
5. Step 5: Solve for x
   x = 224,287,915.22/16,827.64
6. Step 6: Final answer
   x = 13,328.54