Finding the Fourth Proportional to 414,705.86, 622,086.82 and 141,040.63

Step by Step Solution

1. Step 1: Write the proportion equation
   414,705.86 : 622,086.82 = 141,040.63 : x
2. Step 2: Convert to fraction form
   414,705.86/622,086.82 = 141,040.63/x
3. Step 3: Cross multiply
   414,705.86x = 622,086.82 × 141,040.63
4. Step 4: Simplify right side
   414,705.86x = 87,739,517,007.50
5. Step 5: Solve for x
   x = 87,739,517,007.50/414,705.86
6. Step 6: Final answer
   x = 211,570.48