Finding the Fourth Proportional to 300,540.48, 414,774.72 and 166,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   300,540.48 : 414,774.72 = 166,404.48 : x
2. Step 2: Convert to fraction form
   300,540.48/414,774.72 = 166,404.48/x
3. Step 3: Cross multiply
   300,540.48x = 414,774.72 × 166,404.48
4. Step 4: Simplify right side
   300,540.48x = 69,020,371,598.75
5. Step 5: Solve for x
   x = 69,020,371,598.75/300,540.48
6. Step 6: Final answer
   x = 229,654.16