Finding the Fourth Proportional to 300,722.64, 414,997.57 and 162,901.89

Step by Step Solution

1. Step 1: Write the proportion equation
   300,722.64 : 414,997.57 = 162,901.89 : x
2. Step 2: Convert to fraction form
   300,722.64/414,997.57 = 162,901.89/x
3. Step 3: Cross multiply
   300,722.64x = 414,997.57 × 162,901.89
4. Step 4: Simplify right side
   300,722.64x = 67,603,888,498.41
5. Step 5: Solve for x
   x = 67,603,888,498.41/300,722.64
6. Step 6: Final answer
   x = 224,804.79