Finding the Fourth Proportional to 12,624.98, 17,422.50 and 7,589.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,624.98 : 17,422.50 = 7,589.30 : x
2. Step 2: Convert to fraction form
   12,624.98/17,422.50 = 7,589.30/x
3. Step 3: Cross multiply
   12,624.98x = 17,422.50 × 7,589.30
4. Step 4: Simplify right side
   12,624.98x = 132,224,579.25
5. Step 5: Solve for x
   x = 132,224,579.25/12,624.98
6. Step 6: Final answer
   x = 10,473.25