Finding the Fourth Proportional to 105,771.18, 158,623.86 and 34,678.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,771.18 : 158,623.86 = 34,678.17 : x
2. Step 2: Convert to fraction form
   105,771.18/158,623.86 = 34,678.17/x
3. Step 3: Cross multiply
   105,771.18x = 158,623.86 × 34,678.17
4. Step 4: Simplify right side
   105,771.18x = 5,500,785,183.14
5. Step 5: Solve for x
   x = 5,500,785,183.14/105,771.18
6. Step 6: Final answer
   x = 52,006.47