Finding the Fourth Proportional to 12,673.20, 17,487.50 and 7,007.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.20 : 17,487.50 = 7,007.18 : x
2. Step 2: Convert to fraction form
   12,673.20/17,487.50 = 7,007.18/x
3. Step 3: Cross multiply
   12,673.20x = 17,487.50 × 7,007.18
4. Step 4: Simplify right side
   12,673.20x = 122,537,937.78
5. Step 5: Solve for x
   x = 122,537,937.78/12,673.20
6. Step 6: Final answer
   x = 9,669.06