Finding the Fourth Proportional to 164,669.76, 227,243.52 and 89,218.56

Step by Step Solution

1. Step 1: Write the proportion equation
   164,669.76 : 227,243.52 = 89,218.56 : x
2. Step 2: Convert to fraction form
   164,669.76/227,243.52 = 89,218.56/x
3. Step 3: Cross multiply
   164,669.76x = 227,243.52 × 89,218.56
4. Step 4: Simplify right side
   164,669.76x = 20,274,339,623.73
5. Step 5: Solve for x
   x = 20,274,339,623.73/164,669.76
6. Step 6: Final answer
   x = 123,121.21