Finding the Fourth Proportional to 165,067.50, 227,793.42 and 89,616

Step by Step Solution

1. Step 1: Write the proportion equation
   165,067.50 : 227,793.42 = 89,616 : x
2. Step 2: Convert to fraction form
   165,067.50/227,793.42 = 89,616/x
3. Step 3: Cross multiply
   165,067.50x = 227,793.42 × 89,616
4. Step 4: Simplify right side
   165,067.50x = 20,413,935,126.72
5. Step 5: Solve for x
   x = 20,413,935,126.72/165,067.50
6. Step 6: Final answer
   x = 123,670.23