Finding the Fourth Proportional to 12,404.65, 17,118.56 and 6,739.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.65 : 17,118.56 = 6,739.46 : x
2. Step 2: Convert to fraction form
   12,404.65/17,118.56 = 6,739.46/x
3. Step 3: Cross multiply
   12,404.65x = 17,118.56 × 6,739.46
4. Step 4: Simplify right side
   12,404.65x = 115,369,850.38
5. Step 5: Solve for x
   x = 115,369,850.38/12,404.65
6. Step 6: Final answer
   x = 9,300.53