Finding the Fourth Proportional to 50,093.47, 69,128.32 and 28,582.65

Step by Step Solution

1. Step 1: Write the proportion equation
   50,093.47 : 69,128.32 = 28,582.65 : x
2. Step 2: Convert to fraction form
   50,093.47/69,128.32 = 28,582.65/x
3. Step 3: Cross multiply
   50,093.47x = 69,128.32 × 28,582.65
4. Step 4: Simplify right side
   50,093.47x = 1,975,870,575.65
5. Step 5: Solve for x
   x = 1,975,870,575.65/50,093.47
6. Step 6: Final answer
   x = 39,443.68