Finding the Fourth Proportional to 12,622.42, 17,418.98 and 7,589.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,622.42 : 17,418.98 = 7,589.53 : x
2. Step 2: Convert to fraction form
   12,622.42/17,418.98 = 7,589.53/x
3. Step 3: Cross multiply
   12,622.42x = 17,418.98 × 7,589.53
4. Step 4: Simplify right side
   12,622.42x = 132,201,912.03
5. Step 5: Solve for x
   x = 132,201,912.03/12,622.42
6. Step 6: Final answer
   x = 10,473.58