Finding the Fourth Proportional to 105,256.50, 157,895.34 and 34,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,256.50 : 157,895.34 = 34,176.12 : x
2. Step 2: Convert to fraction form
   105,256.50/157,895.34 = 34,176.12/x
3. Step 3: Cross multiply
   105,256.50x = 157,895.34 × 34,176.12
4. Step 4: Simplify right side
   105,256.50x = 5,396,250,087.28
5. Step 5: Solve for x
   x = 5,396,250,087.28/105,256.50
6. Step 6: Final answer
   x = 51,267.62