Finding the Fourth Proportional to 300,155.62, 414,209.32 and 164,188.38

Step by Step Solution

1. Step 1: Write the proportion equation
   300,155.62 : 414,209.32 = 164,188.38 : x
2. Step 2: Convert to fraction form
   300,155.62/414,209.32 = 164,188.38/x
3. Step 3: Cross multiply
   300,155.62x = 414,209.32 × 164,188.38
4. Step 4: Simplify right side
   300,155.62x = 68,008,356,821.23
5. Step 5: Solve for x
   x = 68,008,356,821.23/300,155.62
6. Step 6: Final answer
   x = 226,576.99