Finding the Fourth Proportional to 50,640.82, 69,878.37 and 27,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   50,640.82 : 69,878.37 = 27,978.46 : x
2. Step 2: Convert to fraction form
   50,640.82/69,878.37 = 27,978.46/x
3. Step 3: Cross multiply
   50,640.82x = 69,878.37 × 27,978.46
4. Step 4: Simplify right side
   50,640.82x = 1,955,089,179.91
5. Step 5: Solve for x
   x = 1,955,089,179.91/50,640.82
6. Step 6: Final answer
   x = 38,606.98