Finding the Fourth Proportional to 50,105.80, 69,145.86 and 27,749.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,105.80 : 69,145.86 = 27,749.80 : x
2. Step 2: Convert to fraction form
   50,105.80/69,145.86 = 27,749.80/x
3. Step 3: Cross multiply
   50,105.80x = 69,145.86 × 27,749.80
4. Step 4: Simplify right side
   50,105.80x = 1,918,783,785.83
5. Step 5: Solve for x
   x = 1,918,783,785.83/50,105.80
6. Step 6: Final answer
   x = 38,294.64