Finding the Fourth Proportional to 300,100.78, 414,133.20 and 164,134.24

Step by Step Solution

1. Step 1: Write the proportion equation
   300,100.78 : 414,133.20 = 164,134.24 : x
2. Step 2: Convert to fraction form
   300,100.78/414,133.20 = 164,134.24/x
3. Step 3: Cross multiply
   300,100.78x = 414,133.20 × 164,134.24
4. Step 4: Simplify right side
   300,100.78x = 67,973,438,040.77
5. Step 5: Solve for x
   x = 67,973,438,040.77/300,100.78
6. Step 6: Final answer
   x = 226,502.04