Finding the Fourth Proportional to 300,494.76, 414,682.80 and 164,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,494.76 : 414,682.80 = 164,528.72 : x
2. Step 2: Convert to fraction form
   300,494.76/414,682.80 = 164,528.72/x
3. Step 3: Cross multiply
   300,494.76x = 414,682.80 × 164,528.72
4. Step 4: Simplify right side
   300,494.76x = 68,227,230,290.02
5. Step 5: Solve for x
   x = 68,227,230,290.02/300,494.76
6. Step 6: Final answer
   x = 227,049.65