Finding the Fourth Proportional to 165,067.19, 227,792.72 and 89,615.69

Step by Step Solution

1. Step 1: Write the proportion equation
   165,067.19 : 227,792.72 = 89,615.69 : x
2. Step 2: Convert to fraction form
   165,067.19/227,792.72 = 89,615.69/x
3. Step 3: Cross multiply
   165,067.19x = 227,792.72 × 89,615.69
4. Step 4: Simplify right side
   165,067.19x = 20,413,801,779.78
5. Step 5: Solve for x
   x = 20,413,801,779.78/165,067.19
6. Step 6: Final answer
   x = 123,669.65