Finding the Fourth Proportional to 103,687.62, 155,498.55 and 33,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,687.62 : 155,498.55 = 33,550.50 : x
2. Step 2: Convert to fraction form
   103,687.62/155,498.55 = 33,550.50/x
3. Step 3: Cross multiply
   103,687.62x = 155,498.55 × 33,550.50
4. Step 4: Simplify right side
   103,687.62x = 5,217,054,101.78
5. Step 5: Solve for x
   x = 5,217,054,101.78/103,687.62
6. Step 6: Final answer
   x = 50,315.11