Finding the Fourth Proportional to 115,486.37, 159,481.24 and 109,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,486.37 : 159,481.24 = 109,196.69 : x
2. Step 2: Convert to fraction form
   115,486.37/159,481.24 = 109,196.69/x
3. Step 3: Cross multiply
   115,486.37x = 159,481.24 × 109,196.69
4. Step 4: Simplify right side
   115,486.37x = 17,414,823,525.10
5. Step 5: Solve for x
   x = 17,414,823,525.10/115,486.37
6. Step 6: Final answer
   x = 150,795.49