Finding the Fourth Proportional to 164,839.50, 227,478.51 and 89,388.06

Step by Step Solution

1. Step 1: Write the proportion equation
   164,839.50 : 227,478.51 = 89,388.06 : x
2. Step 2: Convert to fraction form
   164,839.50/227,478.51 = 89,388.06/x
3. Step 3: Cross multiply
   164,839.50x = 227,478.51 × 89,388.06
4. Step 4: Simplify right side
   164,839.50x = 20,333,862,700.59
5. Step 5: Solve for x
   x = 20,333,862,700.59/164,839.50
6. Step 6: Final answer
   x = 123,355.52