Finding the Fourth Proportional to 103,689.62, 155,501.55 and 33,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,689.62 : 155,501.55 = 33,552.50 : x
2. Step 2: Convert to fraction form
   103,689.62/155,501.55 = 33,552.50/x
3. Step 3: Cross multiply
   103,689.62x = 155,501.55 × 33,552.50
4. Step 4: Simplify right side
   103,689.62x = 5,217,465,756.38
5. Step 5: Solve for x
   x = 5,217,465,756.38/103,689.62
6. Step 6: Final answer
   x = 50,318.11