Finding the Fourth Proportional to 12,675.40, 17,456.02 and 12,404.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.40 : 17,456.02 = 12,404.04 : x
2. Step 2: Convert to fraction form
   12,675.40/17,456.02 = 12,404.04/x
3. Step 3: Cross multiply
   12,675.40x = 17,456.02 × 12,404.04
4. Step 4: Simplify right side
   12,675.40x = 216,525,170.32
5. Step 5: Solve for x
   x = 216,525,170.32/12,675.40
6. Step 6: Final answer
   x = 17,082.31