Finding the Fourth Proportional to 50,107.49, 69,131.16 and 28,581.77

Step by Step Solution

1. Step 1: Write the proportion equation
   50,107.49 : 69,131.16 = 28,581.77 : x
2. Step 2: Convert to fraction form
   50,107.49/69,131.16 = 28,581.77/x
3. Step 3: Cross multiply
   50,107.49x = 69,131.16 × 28,581.77
4. Step 4: Simplify right side
   50,107.49x = 1,975,890,569.30
5. Step 5: Solve for x
   x = 1,975,890,569.30/50,107.49
6. Step 6: Final answer
   x = 39,433.04