Finding the Fourth Proportional to 164,857.75, 227,503.83 and 89,406.25

Step by Step Solution

1. Step 1: Write the proportion equation
   164,857.75 : 227,503.83 = 89,406.25 : x
2. Step 2: Convert to fraction form
   164,857.75/227,503.83 = 89,406.25/x
3. Step 3: Cross multiply
   164,857.75x = 227,503.83 × 89,406.25
4. Step 4: Simplify right side
   164,857.75x = 20,340,264,300.94
5. Step 5: Solve for x
   x = 20,340,264,300.94/164,857.75
6. Step 6: Final answer
   x = 123,380.70