Finding the Fourth Proportional to 12,673.38, 17,488.96 and 7,007.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.38 : 17,488.96 = 7,007.99 : x
2. Step 2: Convert to fraction form
   12,673.38/17,488.96 = 7,007.99/x
3. Step 3: Cross multiply
   12,673.38x = 17,488.96 × 7,007.99
4. Step 4: Simplify right side
   12,673.38x = 122,562,391.25
5. Step 5: Solve for x
   x = 122,562,391.25/12,673.38
6. Step 6: Final answer
   x = 9,670.85