Finding the Fourth Proportional to 50,638.84, 69,882.33 and 27,978.35

Step by Step Solution

1. Step 1: Write the proportion equation
   50,638.84 : 69,882.33 = 27,978.35 : x
2. Step 2: Convert to fraction form
   50,638.84/69,882.33 = 27,978.35/x
3. Step 3: Cross multiply
   50,638.84x = 69,882.33 × 27,978.35
4. Step 4: Simplify right side
   50,638.84x = 1,955,192,392.32
5. Step 5: Solve for x
   x = 1,955,192,392.32/50,638.84
6. Step 6: Final answer
   x = 38,610.53