Finding the Fourth Proportional to 12,223.94, 16,868.52 and 6,919.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.94 : 16,868.52 = 6,919.05 : x
2. Step 2: Convert to fraction form
   12,223.94/16,868.52 = 6,919.05/x
3. Step 3: Cross multiply
   12,223.94x = 16,868.52 × 6,919.05
4. Step 4: Simplify right side
   12,223.94x = 116,714,048.96
5. Step 5: Solve for x
   x = 116,714,048.96/12,223.94
6. Step 6: Final answer
   x = 9,547.99