Finding the Fourth Proportional to 12,774.62, 17,623.97 and 9,425.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.62 : 17,623.97 = 9,425.47 : x
2. Step 2: Convert to fraction form
   12,774.62/17,623.97 = 9,425.47/x
3. Step 3: Cross multiply
   12,774.62x = 17,623.97 × 9,425.47
4. Step 4: Simplify right side
   12,774.62x = 166,114,200.52
5. Step 5: Solve for x
   x = 166,114,200.52/12,774.62
6. Step 6: Final answer
   x = 13,003.46