Finding the Fourth Proportional to 12,673.49, 17,487.88 and 7,007.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.49 : 17,487.88 = 7,007.47 : x
2. Step 2: Convert to fraction form
   12,673.49/17,487.88 = 7,007.47/x
3. Step 3: Cross multiply
   12,673.49x = 17,487.88 × 7,007.47
4. Step 4: Simplify right side
   12,673.49x = 122,545,733.23
5. Step 5: Solve for x
   x = 122,545,733.23/12,673.49
6. Step 6: Final answer
   x = 9,669.46