Finding the Fourth Proportional to 50,637.47, 69,879.71 and 28,281.47

Step by Step Solution

1. Step 1: Write the proportion equation
   50,637.47 : 69,879.71 = 28,281.47 : x
2. Step 2: Convert to fraction form
   50,637.47/69,879.71 = 28,281.47/x
3. Step 3: Cross multiply
   50,637.47x = 69,879.71 × 28,281.47
4. Step 4: Simplify right side
   50,637.47x = 1,976,300,431.17
5. Step 5: Solve for x
   x = 1,976,300,431.17/50,637.47
6. Step 6: Final answer
   x = 39,028.42