Finding the Fourth Proportional to 158,314.23, 218,462.27 and 86,682.69

Step by Step Solution

1. Step 1: Write the proportion equation
   158,314.23 : 218,462.27 = 86,682.69 : x
2. Step 2: Convert to fraction form
   158,314.23/218,462.27 = 86,682.69/x
3. Step 3: Cross multiply
   158,314.23x = 218,462.27 × 86,682.69
4. Step 4: Simplify right side
   158,314.23x = 18,936,896,793.69
5. Step 5: Solve for x
   x = 18,936,896,793.69/158,314.23
6. Step 6: Final answer
   x = 119,615.89