Finding the Fourth Proportional to 12,404.94, 17,119.59 and 7,099.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.94 : 17,119.59 = 7,099.65 : x
2. Step 2: Convert to fraction form
   12,404.94/17,119.59 = 7,099.65/x
3. Step 3: Cross multiply
   12,404.94x = 17,119.59 × 7,099.65
4. Step 4: Simplify right side
   12,404.94x = 121,542,976.05
5. Step 5: Solve for x
   x = 121,542,976.05/12,404.94
6. Step 6: Final answer
   x = 9,797.95