Finding the Fourth Proportional to 50,683.83, 69,940.85 and 28,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,683.83 : 69,940.85 = 28,021.50 : x
2. Step 2: Convert to fraction form
   50,683.83/69,940.85 = 28,021.50/x
3. Step 3: Cross multiply
   50,683.83x = 69,940.85 × 28,021.50
4. Step 4: Simplify right side
   50,683.83x = 1,959,847,248.62
5. Step 5: Solve for x
   x = 1,959,847,248.62/50,683.83
6. Step 6: Final answer
   x = 38,668.10