Finding the Fourth Proportional to 164,928.22, 227,601.36 and 89,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   164,928.22 : 227,601.36 = 89,476.72 : x
2. Step 2: Convert to fraction form
   164,928.22/227,601.36 = 89,476.72/x
3. Step 3: Cross multiply
   164,928.22x = 227,601.36 × 89,476.72
4. Step 4: Simplify right side
   164,928.22x = 20,365,023,160.34
5. Step 5: Solve for x
   x = 20,365,023,160.34/164,928.22
6. Step 6: Final answer
   x = 123,478.10