Finding the Fourth Proportional to 103,685.78, 155,496.27 and 33,550.58

Step by Step Solution

1. Step 1: Write the proportion equation
   103,685.78 : 155,496.27 = 33,550.58 : x
2. Step 2: Convert to fraction form
   103,685.78/155,496.27 = 33,550.58/x
3. Step 3: Cross multiply
   103,685.78x = 155,496.27 × 33,550.58
4. Step 4: Simplify right side
   103,685.78x = 5,216,990,046.34
5. Step 5: Solve for x
   x = 5,216,990,046.34/103,685.78
6. Step 6: Final answer
   x = 50,315.39