Finding the Fourth Proportional to 164,912.84, 227,580.15 and 89,461.34

Step by Step Solution

1. Step 1: Write the proportion equation
   164,912.84 : 227,580.15 = 89,461.34 : x
2. Step 2: Convert to fraction form
   164,912.84/227,580.15 = 89,461.34/x
3. Step 3: Cross multiply
   164,912.84x = 227,580.15 × 89,461.34
4. Step 4: Simplify right side
   164,912.84x = 20,359,624,038.50
5. Step 5: Solve for x
   x = 20,359,624,038.50/164,912.84
6. Step 6: Final answer
   x = 123,456.88