Finding the Fourth Proportional to 12,773.62, 17,622.59 and 9,424.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,773.62 : 17,622.59 = 9,424.47 : x
2. Step 2: Convert to fraction form
   12,773.62/17,622.59 = 9,424.47/x
3. Step 3: Cross multiply
   12,773.62x = 17,622.59 × 9,424.47
4. Step 4: Simplify right side
   12,773.62x = 166,083,570.78
5. Step 5: Solve for x
   x = 166,083,570.78/12,773.62
6. Step 6: Final answer
   x = 13,002.08