Finding the Fourth Proportional to 159,132.05, 219,608.01 and 91,162.16

Step by Step Solution

1. Step 1: Write the proportion equation
   159,132.05 : 219,608.01 = 91,162.16 : x
2. Step 2: Convert to fraction form
   159,132.05/219,608.01 = 91,162.16/x
3. Step 3: Cross multiply
   159,132.05x = 219,608.01 × 91,162.16
4. Step 4: Simplify right side
   159,132.05x = 20,019,940,544.90
5. Step 5: Solve for x
   x = 20,019,940,544.90/159,132.05
6. Step 6: Final answer
   x = 125,807.09