Finding the Fourth Proportional to 300,722.15, 414,996.89 and 162,901.40

Step by Step Solution

1. Step 1: Write the proportion equation
   300,722.15 : 414,996.89 = 162,901.40 : x
2. Step 2: Convert to fraction form
   300,722.15/414,996.89 = 162,901.40/x
3. Step 3: Cross multiply
   300,722.15x = 414,996.89 × 162,901.40
4. Step 4: Simplify right side
   300,722.15x = 67,603,571,487.15
5. Step 5: Solve for x
   x = 67,603,571,487.15/300,722.15
6. Step 6: Final answer
   x = 224,804.10