Finding the Fourth Proportional to 105,278.52, 157,942.56 and 34,200.92

Step by Step Solution

1. Step 1: Write the proportion equation
   105,278.52 : 157,942.56 = 34,200.92 : x
2. Step 2: Convert to fraction form
   105,278.52/157,942.56 = 34,200.92/x
3. Step 3: Cross multiply
   105,278.52x = 157,942.56 × 34,200.92
4. Step 4: Simplify right side
   105,278.52x = 5,401,780,859.16
5. Step 5: Solve for x
   x = 5,401,780,859.16/105,278.52
6. Step 6: Final answer
   x = 51,309.43