Finding the Fourth Proportional to 165,099.50, 227,837.31 and 89,648

Step by Step Solution

1. Step 1: Write the proportion equation
   165,099.50 : 227,837.31 = 89,648 : x
2. Step 2: Convert to fraction form
   165,099.50/227,837.31 = 89,648/x
3. Step 3: Cross multiply
   165,099.50x = 227,837.31 × 89,648
4. Step 4: Simplify right side
   165,099.50x = 20,425,159,166.88
5. Step 5: Solve for x
   x = 20,425,159,166.88/165,099.50
6. Step 6: Final answer
   x = 123,714.24