Finding the Fourth Proportional to 164,662.79, 227,234.60 and 89,211.29

Step by Step Solution

1. Step 1: Write the proportion equation
   164,662.79 : 227,234.60 = 89,211.29 : x
2. Step 2: Convert to fraction form
   164,662.79/227,234.60 = 89,211.29/x
3. Step 3: Cross multiply
   164,662.79x = 227,234.60 × 89,211.29
4. Step 4: Simplify right side
   164,662.79x = 20,271,890,216.40
5. Step 5: Solve for x
   x = 20,271,890,216.40/164,662.79
6. Step 6: Final answer
   x = 123,111.55