Finding the Fourth Proportional to 164,709, 227,299.50 and 89,258.04

Step by Step Solution

1. Step 1: Write the proportion equation
   164,709 : 227,299.50 = 89,258.04 : x
2. Step 2: Convert to fraction form
   164,709/227,299.50 = 89,258.04/x
3. Step 3: Cross multiply
   164,709x = 227,299.50 × 89,258.04
4. Step 4: Simplify right side
   164,709x = 20,288,307,862.98
5. Step 5: Solve for x
   x = 20,288,307,862.98/164,709
6. Step 6: Final answer
   x = 123,176.68