Finding the Fourth Proportional to 12,169.97, 16,794.60 and 7,454.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,169.97 : 16,794.60 = 7,454.15 : x
2. Step 2: Convert to fraction form
   12,169.97/16,794.60 = 7,454.15/x
3. Step 3: Cross multiply
   12,169.97x = 16,794.60 × 7,454.15
4. Step 4: Simplify right side
   12,169.97x = 125,189,467.59
5. Step 5: Solve for x
   x = 125,189,467.59/12,169.97
6. Step 6: Final answer
   x = 10,286.75