Finding the Fourth Proportional to 12,667.03, 17,480.46 and 7,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.03 : 17,480.46 = 7,078.03 : x
2. Step 2: Convert to fraction form
   12,667.03/17,480.46 = 7,078.03/x
3. Step 3: Cross multiply
   12,667.03x = 17,480.46 × 7,078.03
4. Step 4: Simplify right side
   12,667.03x = 123,727,261.65
5. Step 5: Solve for x
   x = 123,727,261.65/12,667.03
6. Step 6: Final answer
   x = 9,767.66