Finding the Fourth Proportional to 164,628.32, 227,188.24 and 89,176.88

Step by Step Solution

1. Step 1: Write the proportion equation
   164,628.32 : 227,188.24 = 89,176.88 : x
2. Step 2: Convert to fraction form
   164,628.32/227,188.24 = 89,176.88/x
3. Step 3: Cross multiply
   164,628.32x = 227,188.24 × 89,176.88
4. Step 4: Simplify right side
   164,628.32x = 20,259,938,415.89
5. Step 5: Solve for x
   x = 20,259,938,415.89/164,628.32
6. Step 6: Final answer
   x = 123,064.72