Finding the Fourth Proportional to 12,624.50, 17,422.36 and 7,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,624.50 : 17,422.36 = 7,035.50 : x
2. Step 2: Convert to fraction form
   12,624.50/17,422.36 = 7,035.50/x
3. Step 3: Cross multiply
   12,624.50x = 17,422.36 × 7,035.50
4. Step 4: Simplify right side
   12,624.50x = 122,575,013.78
5. Step 5: Solve for x
   x = 122,575,013.78/12,624.50
6. Step 6: Final answer
   x = 9,709.30