Finding the Fourth Proportional to 16,425.62, 22,667.82 and 9,255.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,425.62 : 22,667.82 = 9,255.60 : x
2. Step 2: Convert to fraction form
   16,425.62/22,667.82 = 9,255.60/x
3. Step 3: Cross multiply
   16,425.62x = 22,667.82 × 9,255.60
4. Step 4: Simplify right side
   16,425.62x = 209,804,279.13
5. Step 5: Solve for x
   x = 209,804,279.13/16,425.62
6. Step 6: Final answer
   x = 12,772.99