Finding the Fourth Proportional to 164,929.84, 227,603.61 and 89,478.34

Step by Step Solution

1. Step 1: Write the proportion equation
   164,929.84 : 227,603.61 = 89,478.34 : x
2. Step 2: Convert to fraction form
   164,929.84/227,603.61 = 89,478.34/x
3. Step 3: Cross multiply
   164,929.84x = 227,603.61 × 89,478.34
4. Step 4: Simplify right side
   164,929.84x = 20,365,593,200.81
5. Step 5: Solve for x
   x = 20,365,593,200.81/164,929.84
6. Step 6: Final answer
   x = 123,480.34