Finding the Fourth Proportional to 300,538.89, 414,744.37 and 164,581.74

Step by Step Solution

1. Step 1: Write the proportion equation
   300,538.89 : 414,744.37 = 164,581.74 : x
2. Step 2: Convert to fraction form
   300,538.89/414,744.37 = 164,581.74/x
3. Step 3: Cross multiply
   300,538.89x = 414,744.37 × 164,581.74
4. Step 4: Simplify right side
   300,538.89x = 68,259,350,069.80
5. Step 5: Solve for x
   x = 68,259,350,069.80/300,538.89
6. Step 6: Final answer
   x = 227,123.19