Finding the Fourth Proportional to 300,134.59, 414,170.28 and 164,142.07

Step by Step Solution

1. Step 1: Write the proportion equation
   300,134.59 : 414,170.28 = 164,142.07 : x
2. Step 2: Convert to fraction form
   300,134.59/414,170.28 = 164,142.07/x
3. Step 3: Cross multiply
   300,134.59x = 414,170.28 × 164,142.07
4. Step 4: Simplify right side
   300,134.59x = 67,982,766,056.25
5. Step 5: Solve for x
   x = 67,982,766,056.25/300,134.59
6. Step 6: Final answer
   x = 226,507.60