Finding the Fourth Proportional to 300,499.50, 414,690.12 and 164,534.52

Step by Step Solution

1. Step 1: Write the proportion equation
   300,499.50 : 414,690.12 = 164,534.52 : x
2. Step 2: Convert to fraction form
   300,499.50/414,690.12 = 164,534.52/x
3. Step 3: Cross multiply
   300,499.50x = 414,690.12 × 164,534.52
4. Step 4: Simplify right side
   300,499.50x = 68,230,839,842.94
5. Step 5: Solve for x
   x = 68,230,839,842.94/300,499.50
6. Step 6: Final answer
   x = 227,058.08