Finding the Fourth Proportional to 164,607.75, 227,158.70 and 89,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   164,607.75 : 227,158.70 = 89,156.25 : x
2. Step 2: Convert to fraction form
   164,607.75/227,158.70 = 89,156.25/x
3. Step 3: Cross multiply
   164,607.75x = 227,158.70 × 89,156.25
4. Step 4: Simplify right side
   164,607.75x = 20,252,617,401.09
5. Step 5: Solve for x
   x = 20,252,617,401.09/164,607.75
6. Step 6: Final answer
   x = 123,035.63