Finding the Fourth Proportional to 50,059.14, 69,078.91 and 28,545.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,059.14 : 69,078.91 = 28,545.72 : x
2. Step 2: Convert to fraction form
   50,059.14/69,078.91 = 28,545.72/x
3. Step 3: Cross multiply
   50,059.14x = 69,078.91 × 28,545.72
4. Step 4: Simplify right side
   50,059.14x = 1,971,907,222.77
5. Step 5: Solve for x
   x = 1,971,907,222.77/50,059.14
6. Step 6: Final answer
   x = 39,391.55