Finding the Fourth Proportional to 12,624.18, 17,422.47 and 7,589.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,624.18 : 17,422.47 = 7,589.22 : x
2. Step 2: Convert to fraction form
   12,624.18/17,422.47 = 7,589.22/x
3. Step 3: Cross multiply
   12,624.18x = 17,422.47 × 7,589.22
4. Step 4: Simplify right side
   12,624.18x = 132,222,957.77
5. Step 5: Solve for x
   x = 132,222,957.77/12,624.18
6. Step 6: Final answer
   x = 10,473.79