Finding the Fourth Proportional to 164,958.81, 227,643.16 and 89,507.31

Step by Step Solution

1. Step 1: Write the proportion equation
   164,958.81 : 227,643.16 = 89,507.31 : x
2. Step 2: Convert to fraction form
   164,958.81/227,643.16 = 89,507.31/x
3. Step 3: Cross multiply
   164,958.81x = 227,643.16 × 89,507.31
4. Step 4: Simplify right side
   164,958.81x = 20,375,727,684.38
5. Step 5: Solve for x
   x = 20,375,727,684.38/164,958.81
6. Step 6: Final answer
   x = 123,520.09