Finding the Fourth Proportional to 164,665.50, 227,238.60 and 89,214

Step by Step Solution

1. Step 1: Write the proportion equation
   164,665.50 : 227,238.60 = 89,214 : x
2. Step 2: Convert to fraction form
   164,665.50/227,238.60 = 89,214/x
3. Step 3: Cross multiply
   164,665.50x = 227,238.60 × 89,214
4. Step 4: Simplify right side
   164,665.50x = 20,272,864,460.40
5. Step 5: Solve for x
   x = 20,272,864,460.40/164,665.50
6. Step 6: Final answer
   x = 123,115.43