Finding the Fourth Proportional to 300,409.39, 414,564.35 and 164,443.37

Step by Step Solution

1. Step 1: Write the proportion equation
   300,409.39 : 414,564.35 = 164,443.37 : x
2. Step 2: Convert to fraction form
   300,409.39/414,564.35 = 164,443.37/x
3. Step 3: Cross multiply
   300,409.39x = 414,564.35 × 164,443.37
4. Step 4: Simplify right side
   300,409.39x = 68,172,358,795.86
5. Step 5: Solve for x
   x = 68,172,358,795.86/300,409.39
6. Step 6: Final answer
   x = 226,931.52