Finding the Fourth Proportional to 16,534.37, 22,817.61 and 8,980.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,534.37 : 22,817.61 = 8,980.79 : x
2. Step 2: Convert to fraction form
   16,534.37/22,817.61 = 8,980.79/x
3. Step 3: Cross multiply
   16,534.37x = 22,817.61 × 8,980.79
4. Step 4: Simplify right side
   16,534.37x = 204,920,049.62
5. Step 5: Solve for x
   x = 204,920,049.62/16,534.37
6. Step 6: Final answer
   x = 12,393.58