Finding the Fourth Proportional to 158,105.86, 218,236.89 and 104,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,105.86 : 218,236.89 = 104,438.50 : x
2. Step 2: Convert to fraction form
   158,105.86/218,236.89 = 104,438.50/x
3. Step 3: Cross multiply
   158,105.86x = 218,236.89 × 104,438.50
4. Step 4: Simplify right side
   158,105.86x = 22,792,333,436.27
5. Step 5: Solve for x
   x = 22,792,333,436.27/158,105.86
6. Step 6: Final answer
   x = 144,158.69