Finding the Fourth Proportional to 300,091.52, 414,120.50 and 164,125.06

Step by Step Solution

1. Step 1: Write the proportion equation
   300,091.52 : 414,120.50 = 164,125.06 : x
2. Step 2: Convert to fraction form
   300,091.52/414,120.50 = 164,125.06/x
3. Step 3: Cross multiply
   300,091.52x = 414,120.50 × 164,125.06
4. Step 4: Simplify right side
   300,091.52x = 67,967,550,053.80
5. Step 5: Solve for x
   x = 67,967,550,053.80/300,091.52
6. Step 6: Final answer
   x = 226,489.40