Finding the Fourth Proportional to 164,520.84, 227,039.85 and 89,069.34

Step by Step Solution

1. Step 1: Write the proportion equation
   164,520.84 : 227,039.85 = 89,069.34 : x
2. Step 2: Convert to fraction form
   164,520.84/227,039.85 = 89,069.34/x
3. Step 3: Cross multiply
   164,520.84x = 227,039.85 × 89,069.34
4. Step 4: Simplify right side
   164,520.84x = 20,222,289,593.20
5. Step 5: Solve for x
   x = 20,222,289,593.20/164,520.84
6. Step 6: Final answer
   x = 122,916.28