Finding the Fourth Proportional to 50,042.21, 69,083.23 and 28,817.37

Step by Step Solution

1. Step 1: Write the proportion equation
   50,042.21 : 69,083.23 = 28,817.37 : x
2. Step 2: Convert to fraction form
   50,042.21/69,083.23 = 28,817.37/x
3. Step 3: Cross multiply
   50,042.21x = 69,083.23 × 28,817.37
4. Step 4: Simplify right side
   50,042.21x = 1,990,796,981.69
5. Step 5: Solve for x
   x = 1,990,796,981.69/50,042.21
6. Step 6: Final answer
   x = 39,782.36