Finding the Fourth Proportional to 415,422.24, 622,883.82 and 162,401.37

Step by Step Solution

1. Step 1: Write the proportion equation
   415,422.24 : 622,883.82 = 162,401.37 : x
2. Step 2: Convert to fraction form
   415,422.24/622,883.82 = 162,401.37/x
3. Step 3: Cross multiply
   415,422.24x = 622,883.82 × 162,401.37
4. Step 4: Simplify right side
   415,422.24x = 101,157,185,718.83
5. Step 5: Solve for x
   x = 101,157,185,718.83/415,422.24
6. Step 6: Final answer
   x = 243,504.50