Finding the Fourth Proportional to 12,606.42, 17,397 and 7,017.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,606.42 : 17,397 = 7,017.42 : x
2. Step 2: Convert to fraction form
   12,606.42/17,397 = 7,017.42/x
3. Step 3: Cross multiply
   12,606.42x = 17,397 × 7,017.42
4. Step 4: Simplify right side
   12,606.42x = 122,082,055.74
5. Step 5: Solve for x
   x = 122,082,055.74/12,606.42
6. Step 6: Final answer
   x = 9,684.12