Finding the Fourth Proportional to 103,699.16, 155,573.46 and 33,578.49

Step by Step Solution

1. Step 1: Write the proportion equation
   103,699.16 : 155,573.46 = 33,578.49 : x
2. Step 2: Convert to fraction form
   103,699.16/155,573.46 = 33,578.49/x
3. Step 3: Cross multiply
   103,699.16x = 155,573.46 × 33,578.49
4. Step 4: Simplify right side
   103,699.16x = 5,223,921,870.88
5. Step 5: Solve for x
   x = 5,223,921,870.88/103,699.16
6. Step 6: Final answer
   x = 50,375.74