Finding the Fourth Proportional to 158,179.89, 218,288.27 and 86,559.93

Step by Step Solution

1. Step 1: Write the proportion equation
   158,179.89 : 218,288.27 = 86,559.93 : x
2. Step 2: Convert to fraction form
   158,179.89/218,288.27 = 86,559.93/x
3. Step 3: Cross multiply
   158,179.89x = 218,288.27 × 86,559.93
4. Step 4: Simplify right side
   158,179.89x = 18,895,015,846.78
5. Step 5: Solve for x
   x = 18,895,015,846.78/158,179.89
6. Step 6: Final answer
   x = 119,452.71