Finding the Fourth Proportional to 164,665.59, 227,239.46 and 89,214.09

Step by Step Solution

1. Step 1: Write the proportion equation
   164,665.59 : 227,239.46 = 89,214.09 : x
2. Step 2: Convert to fraction form
   164,665.59/227,239.46 = 89,214.09/x
3. Step 3: Cross multiply
   164,665.59x = 227,239.46 × 89,214.09
4. Step 4: Simplify right side
   164,665.59x = 20,272,961,635.99
5. Step 5: Solve for x
   x = 20,272,961,635.99/164,665.59
6. Step 6: Final answer
   x = 123,115.96