Finding the Fourth Proportional to 50,448.50, 69,621.09 and 28,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,448.50 : 69,621.09 = 28,092.50 : x
2. Step 2: Convert to fraction form
   50,448.50/69,621.09 = 28,092.50/x
3. Step 3: Cross multiply
   50,448.50x = 69,621.09 × 28,092.50
4. Step 4: Simplify right side
   50,448.50x = 1,955,830,470.83
5. Step 5: Solve for x
   x = 1,955,830,470.83/50,448.50
6. Step 6: Final answer
   x = 38,768.85