Finding the Fourth Proportional to 105,743.78, 158,552.30 and 33,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,743.78 : 158,552.30 = 33,665.54 : x
2. Step 2: Convert to fraction form
   105,743.78/158,552.30 = 33,665.54/x
3. Step 3: Cross multiply
   105,743.78x = 158,552.30 × 33,665.54
4. Step 4: Simplify right side
   105,743.78x = 5,337,748,004.98
5. Step 5: Solve for x
   x = 5,337,748,004.98/105,743.78
6. Step 6: Final answer
   x = 50,478.13