Finding the Fourth Proportional to 158,727.25, 219,036.71 and 87,108.47

Step by Step Solution

1. Step 1: Write the proportion equation
   158,727.25 : 219,036.71 = 87,108.47 : x
2. Step 2: Convert to fraction form
   158,727.25/219,036.71 = 87,108.47/x
3. Step 3: Cross multiply
   158,727.25x = 219,036.71 × 87,108.47
4. Step 4: Simplify right side
   158,727.25x = 19,079,951,804.52
5. Step 5: Solve for x
   x = 19,079,951,804.52/158,727.25
6. Step 6: Final answer
   x = 120,205.90