Finding the Fourth Proportional to 12,673.53, 17,489.59 and 7,007.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.53 : 17,489.59 = 7,007.99 : x
2. Step 2: Convert to fraction form
   12,673.53/17,489.59 = 7,007.99/x
3. Step 3: Cross multiply
   12,673.53x = 17,489.59 × 7,007.99
4. Step 4: Simplify right side
   12,673.53x = 122,566,766.86
5. Step 5: Solve for x
   x = 122,566,766.86/12,673.53
6. Step 6: Final answer
   x = 9,671.08