Finding the Fourth Proportional to 165,141.72, 227,896.74 and 89,690.22

Step by Step Solution

1. Step 1: Write the proportion equation
   165,141.72 : 227,896.74 = 89,690.22 : x
2. Step 2: Convert to fraction form
   165,141.72/227,896.74 = 89,690.22/x
3. Step 3: Cross multiply
   165,141.72x = 227,896.74 × 89,690.22
4. Step 4: Simplify right side
   165,141.72x = 20,440,108,747.88
5. Step 5: Solve for x
   x = 20,440,108,747.88/165,141.72
6. Step 6: Final answer
   x = 123,773.14