Finding the Fourth Proportional to 164,636.91, 227,198.18 and 89,185.41

Step by Step Solution

1. Step 1: Write the proportion equation
   164,636.91 : 227,198.18 = 89,185.41 : x
2. Step 2: Convert to fraction form
   164,636.91/227,198.18 = 89,185.41/x
3. Step 3: Cross multiply
   164,636.91x = 227,198.18 × 89,185.41
4. Step 4: Simplify right side
   164,636.91x = 20,262,763,057.52
5. Step 5: Solve for x
   x = 20,262,763,057.52/164,636.91
6. Step 6: Final answer
   x = 123,075.46