Finding the Fourth Proportional to 50,552.72, 75,829.12 and 13,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,552.72 : 75,829.12 = 13,616.72 : x
2. Step 2: Convert to fraction form
   50,552.72/75,829.12 = 13,616.72/x
3. Step 3: Cross multiply
   50,552.72x = 75,829.12 × 13,616.72
4. Step 4: Simplify right side
   50,552.72x = 1,032,543,894.89
5. Step 5: Solve for x
   x = 1,032,543,894.89/50,552.72
6. Step 6: Final answer
   x = 20,425.09