Finding the Fourth Proportional to 16,498.94, 22,769.74 and 9,425.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.94 : 22,769.74 = 9,425.20 : x
2. Step 2: Convert to fraction form
   16,498.94/22,769.74 = 9,425.20/x
3. Step 3: Cross multiply
   16,498.94x = 22,769.74 × 9,425.20
4. Step 4: Simplify right side
   16,498.94x = 214,609,353.45
5. Step 5: Solve for x
   x = 214,609,353.45/16,498.94
6. Step 6: Final answer
   x = 13,007.46