Finding the Fourth Proportional to 50,164.76, 69,228.69 and 28,359.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,164.76 : 69,228.69 = 28,359.30 : x
2. Step 2: Convert to fraction form
   50,164.76/69,228.69 = 28,359.30/x
3. Step 3: Cross multiply
   50,164.76x = 69,228.69 × 28,359.30
4. Step 4: Simplify right side
   50,164.76x = 1,963,277,046.52
5. Step 5: Solve for x
   x = 1,963,277,046.52/50,164.76
6. Step 6: Final answer
   x = 39,136.58