Finding the Fourth Proportional to 164,638.24, 227,200.56 and 89,187.04

Step by Step Solution

1. Step 1: Write the proportion equation
   164,638.24 : 227,200.56 = 89,187.04 : x
2. Step 2: Convert to fraction form
   164,638.24/227,200.56 = 89,187.04/x
3. Step 3: Cross multiply
   164,638.24x = 227,200.56 × 89,187.04
4. Step 4: Simplify right side
   164,638.24x = 20,263,345,432.74
5. Step 5: Solve for x
   x = 20,263,345,432.74/164,638.24
6. Step 6: Final answer
   x = 123,078.00