Finding the Fourth Proportional to 300,541, 414,759.56 and 166,405

Step by Step Solution

1. Step 1: Write the proportion equation
   300,541 : 414,759.56 = 166,405 : x
2. Step 2: Convert to fraction form
   300,541/414,759.56 = 166,405/x
3. Step 3: Cross multiply
   300,541x = 414,759.56 × 166,405
4. Step 4: Simplify right side
   300,541x = 69,018,064,581.80
5. Step 5: Solve for x
   x = 69,018,064,581.80/300,541
6. Step 6: Final answer
   x = 229,646.09