Finding the Fourth Proportional to 12,667.04, 17,480.42 and 7,002.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.04 : 17,480.42 = 7,002.18 : x
2. Step 2: Convert to fraction form
   12,667.04/17,480.42 = 7,002.18/x
3. Step 3: Cross multiply
   12,667.04x = 17,480.42 × 7,002.18
4. Step 4: Simplify right side
   12,667.04x = 122,401,047.32
5. Step 5: Solve for x
   x = 122,401,047.32/12,667.04
6. Step 6: Final answer
   x = 9,662.96