Finding the Fourth Proportional to 105,423.72, 158,135.38 and 34,346.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105,423.72 : 158,135.38 = 34,346.27 : x
2. Step 2: Convert to fraction form
   105,423.72/158,135.38 = 34,346.27/x
3. Step 3: Cross multiply
   105,423.72x = 158,135.38 × 34,346.27
4. Step 4: Simplify right side
   105,423.72x = 5,431,360,458.03
5. Step 5: Solve for x
   x = 5,431,360,458.03/105,423.72
6. Step 6: Final answer
   x = 51,519.34