Finding the Fourth Proportional to 298,668.72, 412,162.80 and 164,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   298,668.72 : 412,162.80 = 164,532.72 : x
2. Step 2: Convert to fraction form
   298,668.72/412,162.80 = 164,532.72/x
3. Step 3: Cross multiply
   298,668.72x = 412,162.80 × 164,532.72
4. Step 4: Simplify right side
   298,668.72x = 67,814,266,566.82
5. Step 5: Solve for x
   x = 67,814,266,566.82/298,668.72
6. Step 6: Final answer
   x = 227,055.14