Finding the Fourth Proportional to 105,255.63, 157,908.27 and 34,178.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,255.63 : 157,908.27 = 34,178.04 : x
2. Step 2: Convert to fraction form
   105,255.63/157,908.27 = 34,178.04/x
3. Step 3: Cross multiply
   105,255.63x = 157,908.27 × 34,178.04
4. Step 4: Simplify right side
   105,255.63x = 5,396,995,168.39
5. Step 5: Solve for x
   x = 5,396,995,168.39/105,255.63
6. Step 6: Final answer
   x = 51,275.12