Finding the Fourth Proportional to 164,737.50, 227,338.56 and 89,286

Step by Step Solution

1. Step 1: Write the proportion equation
   164,737.50 : 227,338.56 = 89,286 : x
2. Step 2: Convert to fraction form
   164,737.50/227,338.56 = 89,286/x
3. Step 3: Cross multiply
   164,737.50x = 227,338.56 × 89,286
4. Step 4: Simplify right side
   164,737.50x = 20,298,150,668.16
5. Step 5: Solve for x
   x = 20,298,150,668.16/164,737.50
6. Step 6: Final answer
   x = 123,215.12