Finding the Fourth Proportional to 294,162.38, 441,287.31 and 136,406.78

Step by Step Solution

1. Step 1: Write the proportion equation
   294,162.38 : 441,287.31 = 136,406.78 : x
2. Step 2: Convert to fraction form
   294,162.38/441,287.31 = 136,406.78/x
3. Step 3: Cross multiply
   294,162.38x = 441,287.31 × 136,406.78
4. Step 4: Simplify right side
   294,162.38x = 60,194,581,011.96
5. Step 5: Solve for x
   x = 60,194,581,011.96/294,162.38
6. Step 6: Final answer
   x = 204,630.45