Finding the Fourth Proportional to 158,227.83, 218,359.96 and 86,607.91

Step by Step Solution

1. Step 1: Write the proportion equation
   158,227.83 : 218,359.96 = 86,607.91 : x
2. Step 2: Convert to fraction form
   158,227.83/218,359.96 = 86,607.91/x
3. Step 3: Cross multiply
   158,227.83x = 218,359.96 × 86,607.91
4. Step 4: Simplify right side
   158,227.83x = 18,911,700,063.30
5. Step 5: Solve for x
   x = 18,911,700,063.30/158,227.83
6. Step 6: Final answer
   x = 119,521.96