Finding the Fourth Proportional to 150,758.42, 208,063.18 and 86,233.61

Step by Step Solution

1. Step 1: Write the proportion equation
   150,758.42 : 208,063.18 = 86,233.61 : x
2. Step 2: Convert to fraction form
   150,758.42/208,063.18 = 86,233.61/x
3. Step 3: Cross multiply
   150,758.42x = 208,063.18 × 86,233.61
4. Step 4: Simplify right side
   150,758.42x = 17,942,039,747.43
5. Step 5: Solve for x
   x = 17,942,039,747.43/150,758.42
6. Step 6: Final answer
   x = 119,011.86