Finding the Fourth Proportional to 12,669.82, 17,487.12 and 7,367.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669.82 : 17,487.12 = 7,367.69 : x
2. Step 2: Convert to fraction form
   12,669.82/17,487.12 = 7,367.69/x
3. Step 3: Cross multiply
   12,669.82x = 17,487.12 × 7,367.69
4. Step 4: Simplify right side
   12,669.82x = 128,839,750.50
5. Step 5: Solve for x
   x = 128,839,750.50/12,669.82
6. Step 6: Final answer
   x = 10,169.03