Finding the Fourth Proportional to 50,442.50, 69,615.51 and 28,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,442.50 : 69,615.51 = 28,086.50 : x
2. Step 2: Convert to fraction form
   50,442.50/69,615.51 = 28,086.50/x
3. Step 3: Cross multiply
   50,442.50x = 69,615.51 × 28,086.50
4. Step 4: Simplify right side
   50,442.50x = 1,955,256,021.62
5. Step 5: Solve for x
   x = 1,955,256,021.62/50,442.50
6. Step 6: Final answer
   x = 38,762.08