Finding the Fourth Proportional to 164,647.72, 227,213.96 and 89,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   164,647.72 : 227,213.96 = 89,196.24 : x
2. Step 2: Convert to fraction form
   164,647.72/227,213.96 = 89,196.24/x
3. Step 3: Cross multiply
   164,647.72x = 227,213.96 × 89,196.24
4. Step 4: Simplify right side
   164,647.72x = 20,266,630,907.51
5. Step 5: Solve for x
   x = 20,266,630,907.51/164,647.72
6. Step 6: Final answer
   x = 123,090.87