Finding the Fourth Proportional to 158,223.27, 218,348.36 and 86,607.83

Step by Step Solution

1. Step 1: Write the proportion equation
   158,223.27 : 218,348.36 = 86,607.83 : x
2. Step 2: Convert to fraction form
   158,223.27/218,348.36 = 86,607.83/x
3. Step 3: Cross multiply
   158,223.27x = 218,348.36 × 86,607.83
4. Step 4: Simplify right side
   158,223.27x = 18,910,678,081.27
5. Step 5: Solve for x
   x = 18,910,678,081.27/158,223.27
6. Step 6: Final answer
   x = 119,518.94