Finding the Fourth Proportional to 164,662.49, 227,234.46 and 89,210.99

Step by Step Solution

1. Step 1: Write the proportion equation
   164,662.49 : 227,234.46 = 89,210.99 : x
2. Step 2: Convert to fraction form
   164,662.49/227,234.46 = 89,210.99/x
3. Step 3: Cross multiply
   164,662.49x = 227,234.46 × 89,210.99
4. Step 4: Simplify right side
   164,662.49x = 20,271,811,138.72
5. Step 5: Solve for x
   x = 20,271,811,138.72/164,662.49
6. Step 6: Final answer
   x = 123,111.29