Finding the Fourth Proportional to 300,491.16, 414,662.04 and 164,499.05

Step by Step Solution

1. Step 1: Write the proportion equation
   300,491.16 : 414,662.04 = 164,499.05 : x
2. Step 2: Convert to fraction form
   300,491.16/414,662.04 = 164,499.05/x
3. Step 3: Cross multiply
   300,491.16x = 414,662.04 × 164,499.05
4. Step 4: Simplify right side
   300,491.16x = 68,211,509,577.75
5. Step 5: Solve for x
   x = 68,211,509,577.75/300,491.16
6. Step 6: Final answer
   x = 227,000.05