Finding the Fourth Proportional to 50,708.87, 69,978.71 and 28,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,708.87 : 69,978.71 = 28,046.69 : x
2. Step 2: Convert to fraction form
   50,708.87/69,978.71 = 28,046.69/x
3. Step 3: Cross multiply
   50,708.87x = 69,978.71 × 28,046.69
4. Step 4: Simplify right side
   50,708.87x = 1,962,671,185.97
5. Step 5: Solve for x
   x = 1,962,671,185.97/50,708.87
6. Step 6: Final answer
   x = 38,704.69