Finding the Fourth Proportional to 212,650.49, 293,500.17 and 122,067.69

Step by Step Solution

1. Step 1: Write the proportion equation
   212,650.49 : 293,500.17 = 122,067.69 : x
2. Step 2: Convert to fraction form
   212,650.49/293,500.17 = 122,067.69/x
3. Step 3: Cross multiply
   212,650.49x = 293,500.17 × 122,067.69
4. Step 4: Simplify right side
   212,650.49x = 35,826,887,766.51
5. Step 5: Solve for x
   x = 35,826,887,766.51/212,650.49
6. Step 6: Final answer
   x = 168,477.81