Finding the Fourth Proportional to 50,091.50, 69,128.43 and 27,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,091.50 : 69,128.43 = 27,735.50 : x
2. Step 2: Convert to fraction form
   50,091.50/69,128.43 = 27,735.50/x
3. Step 3: Cross multiply
   50,091.50x = 69,128.43 × 27,735.50
4. Step 4: Simplify right side
   50,091.50x = 1,917,311,570.27
5. Step 5: Solve for x
   x = 1,917,311,570.27/50,091.50
6. Step 6: Final answer
   x = 38,276.19