Finding the Fourth Proportional to 300,499.17, 414,688.95 and 164,541.71

Step by Step Solution

1. Step 1: Write the proportion equation
   300,499.17 : 414,688.95 = 164,541.71 : x
2. Step 2: Convert to fraction form
   300,499.17/414,688.95 = 164,541.71/x
3. Step 3: Cross multiply
   300,499.17x = 414,688.95 × 164,541.71
4. Step 4: Simplify right side
   300,499.17x = 68,233,629,987.83
5. Step 5: Solve for x
   x = 68,233,629,987.83/300,499.17
6. Step 6: Final answer
   x = 227,067.62