Finding the Fourth Proportional to 50,645.82, 69,907.95 and 31,789.02

Step by Step Solution

1. Step 1: Write the proportion equation
   50,645.82 : 69,907.95 = 31,789.02 : x
2. Step 2: Convert to fraction form
   50,645.82/69,907.95 = 31,789.02/x
3. Step 3: Cross multiply
   50,645.82x = 69,907.95 × 31,789.02
4. Step 4: Simplify right side
   50,645.82x = 2,222,305,220.71
5. Step 5: Solve for x
   x = 2,222,305,220.71/50,645.82
6. Step 6: Final answer
   x = 43,879.34