Finding the Fourth Proportional to 50,107.86, 69,131.70 and 28,582.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,107.86 : 69,131.70 = 28,582.16 : x
2. Step 2: Convert to fraction form
   50,107.86/69,131.70 = 28,582.16/x
3. Step 3: Cross multiply
   50,107.86x = 69,131.70 × 28,582.16
4. Step 4: Simplify right side
   50,107.86x = 1,975,932,964.81
5. Step 5: Solve for x
   x = 1,975,932,964.81/50,107.86
6. Step 6: Final answer
   x = 39,433.59