Finding the Fourth Proportional to 164,965.05, 227,654.42 and 89,513.55

Step by Step Solution

1. Step 1: Write the proportion equation
   164,965.05 : 227,654.42 = 89,513.55 : x
2. Step 2: Convert to fraction form
   164,965.05/227,654.42 = 89,513.55/x
3. Step 3: Cross multiply
   164,965.05x = 227,654.42 × 89,513.55
4. Step 4: Simplify right side
   164,965.05x = 20,378,155,307.39
5. Step 5: Solve for x
   x = 20,378,155,307.39/164,965.05
6. Step 6: Final answer
   x = 123,530.14