Finding the Fourth Proportional to 50,215.50, 69,300.63 and 27,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,215.50 : 69,300.63 = 27,859.50 : x
2. Step 2: Convert to fraction form
   50,215.50/69,300.63 = 27,859.50/x
3. Step 3: Cross multiply
   50,215.50x = 69,300.63 × 27,859.50
4. Step 4: Simplify right side
   50,215.50x = 1,930,680,901.49
5. Step 5: Solve for x
   x = 1,930,680,901.49/50,215.50
6. Step 6: Final answer
   x = 38,447.91