Finding the Fourth Proportional to 165,196.32, 227,972.52 and 89,745.36

Step by Step Solution

1. Step 1: Write the proportion equation
   165,196.32 : 227,972.52 = 89,745.36 : x
2. Step 2: Convert to fraction form
   165,196.32/227,972.52 = 89,745.36/x
3. Step 3: Cross multiply
   165,196.32x = 227,972.52 × 89,745.36
4. Step 4: Simplify right side
   165,196.32x = 20,459,475,877.51
5. Step 5: Solve for x
   x = 20,459,475,877.51/165,196.32
6. Step 6: Final answer
   x = 123,849.47