Finding the Fourth Proportional to 12,667.54, 17,480.76 and 7,002.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.54 : 17,480.76 = 7,002.16 : x
2. Step 2: Convert to fraction form
   12,667.54/17,480.76 = 7,002.16/x
3. Step 3: Cross multiply
   12,667.54x = 17,480.76 × 7,002.16
4. Step 4: Simplify right side
   12,667.54x = 122,403,078.44
5. Step 5: Solve for x
   x = 122,403,078.44/12,667.54
6. Step 6: Final answer
   x = 9,662.73