Finding the Fourth Proportional to 105,255.36, 157,903.79 and 34,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,255.36 : 157,903.79 = 34,164.72 : x
2. Step 2: Convert to fraction form
   105,255.36/157,903.79 = 34,164.72/x
3. Step 3: Cross multiply
   105,255.36x = 157,903.79 × 34,164.72
4. Step 4: Simplify right side
   105,255.36x = 5,394,738,601.47
5. Step 5: Solve for x
   x = 5,394,738,601.47/105,255.36
6. Step 6: Final answer
   x = 51,253.81