Finding the Fourth Proportional to 158,188.82, 218,300.58 and 86,568.86

Step by Step Solution

1. Step 1: Write the proportion equation
   158,188.82 : 218,300.58 = 86,568.86 : x
2. Step 2: Convert to fraction form
   158,188.82/218,300.58 = 86,568.86/x
3. Step 3: Cross multiply
   158,188.82x = 218,300.58 × 86,568.86
4. Step 4: Simplify right side
   158,188.82x = 18,898,032,347.94
5. Step 5: Solve for x
   x = 18,898,032,347.94/158,188.82
6. Step 6: Final answer
   x = 119,465.03