Finding the Fourth Proportional to 164,662.28, 227,233.84 and 89,210.78

Step by Step Solution

1. Step 1: Write the proportion equation
   164,662.28 : 227,233.84 = 89,210.78 : x
2. Step 2: Convert to fraction form
   164,662.28/227,233.84 = 89,210.78/x
3. Step 3: Cross multiply
   164,662.28x = 227,233.84 × 89,210.78
4. Step 4: Simplify right side
   164,662.28x = 20,271,708,108.80
5. Step 5: Solve for x
   x = 20,271,708,108.80/164,662.28
6. Step 6: Final answer
   x = 123,110.82