Finding the Fourth Proportional to 414,695.69, 622,142.25 and 134,212.94

Step by Step Solution

1. Step 1: Write the proportion equation
   414,695.69 : 622,142.25 = 134,212.94 : x
2. Step 2: Convert to fraction form
   414,695.69/622,142.25 = 134,212.94/x
3. Step 3: Cross multiply
   414,695.69x = 622,142.25 × 134,212.94
4. Step 4: Simplify right side
   414,695.69x = 83,499,540,470.72
5. Step 5: Solve for x
   x = 83,499,540,470.72/414,695.69
6. Step 6: Final answer
   x = 201,351.36