Finding the Fourth Proportional to 50,039.86, 69,072.36 and 28,827.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,039.86 : 69,072.36 = 28,827.58 : x
2. Step 2: Convert to fraction form
   50,039.86/69,072.36 = 28,827.58/x
3. Step 3: Cross multiply
   50,039.86x = 69,072.36 × 28,827.58
4. Step 4: Simplify right side
   50,039.86x = 1,991,188,983.69
5. Step 5: Solve for x
   x = 1,991,188,983.69/50,039.86
6. Step 6: Final answer
   x = 39,792.06