Finding the Fourth Proportional to 164,839.44, 227,478.43 and 89,388

Step by Step Solution

1. Step 1: Write the proportion equation
   164,839.44 : 227,478.43 = 89,388 : x
2. Step 2: Convert to fraction form
   164,839.44/227,478.43 = 89,388/x
3. Step 3: Cross multiply
   164,839.44x = 227,478.43 × 89,388
4. Step 4: Simplify right side
   164,839.44x = 20,333,841,453.90
5. Step 5: Solve for x
   x = 20,333,841,453.90/164,839.44
6. Step 6: Final answer
   x = 123,355.44