Finding the Fourth Proportional to 300,506.69, 414,697.72 and 164,538.17

Step by Step Solution

1. Step 1: Write the proportion equation
   300,506.69 : 414,697.72 = 164,538.17 : x
2. Step 2: Convert to fraction form
   300,506.69/414,697.72 = 164,538.17/x
3. Step 3: Cross multiply
   300,506.69x = 414,697.72 × 164,538.17
4. Step 4: Simplify right side
   300,506.69x = 68,233,603,951.97
5. Step 5: Solve for x
   x = 68,233,603,951.97/300,506.69
6. Step 6: Final answer
   x = 227,061.85