Finding the Fourth Proportional to 300,498.66, 414,675.30 and 164,530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,498.66 : 414,675.30 = 164,530.12 : x
2. Step 2: Convert to fraction form
   300,498.66/414,675.30 = 164,530.12/x
3. Step 3: Cross multiply
   300,498.66x = 414,675.30 × 164,530.12
4. Step 4: Simplify right side
   300,498.66x = 68,226,576,870.04
5. Step 5: Solve for x
   x = 68,226,576,870.04/300,498.66
6. Step 6: Final answer
   x = 227,044.53