Finding the Fourth Proportional to 12,667.28, 17,481.50 and 7,002.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.28 : 17,481.50 = 7,002.68 : x
2. Step 2: Convert to fraction form
   12,667.28/17,481.50 = 7,002.68/x
3. Step 3: Cross multiply
   12,667.28x = 17,481.50 × 7,002.68
4. Step 4: Simplify right side
   12,667.28x = 122,417,350.42
5. Step 5: Solve for x
   x = 122,417,350.42/12,667.28
6. Step 6: Final answer
   x = 9,664.06