Finding the Fourth Proportional to 158,499.18, 218,727.88 and 86,882.22

Step by Step Solution

1. Step 1: Write the proportion equation
   158,499.18 : 218,727.88 = 86,882.22 : x
2. Step 2: Convert to fraction form
   158,499.18/218,727.88 = 86,882.22/x
3. Step 3: Cross multiply
   158,499.18x = 218,727.88 × 86,882.22
4. Step 4: Simplify right side
   158,499.18x = 19,003,563,573.09
5. Step 5: Solve for x
   x = 19,003,563,573.09/158,499.18
6. Step 6: Final answer
   x = 119,896.92