Finding the Fourth Proportional to 164,588.50, 227,132.13 and 89,137

Step by Step Solution

1. Step 1: Write the proportion equation
   164,588.50 : 227,132.13 = 89,137 : x
2. Step 2: Convert to fraction form
   164,588.50/227,132.13 = 89,137/x
3. Step 3: Cross multiply
   164,588.50x = 227,132.13 × 89,137
4. Step 4: Simplify right side
   164,588.50x = 20,245,876,671.81
5. Step 5: Solve for x
   x = 20,245,876,671.81/164,588.50
6. Step 6: Final answer
   x = 123,009.06