Finding the Fourth Proportional to 12,667.26, 17,480.49 and 7,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.26 : 17,480.49 = 7,002.48 : x
2. Step 2: Convert to fraction form
   12,667.26/17,480.49 = 7,002.48/x
3. Step 3: Cross multiply
   12,667.26x = 17,480.49 × 7,002.48
4. Step 4: Simplify right side
   12,667.26x = 122,406,781.62
5. Step 5: Solve for x
   x = 122,406,781.62/12,667.26
6. Step 6: Final answer
   x = 9,663.24