Finding the Fourth Proportional to 50,105.12, 69,146.88 and 27,749.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,105.12 : 69,146.88 = 27,749.12 : x
2. Step 2: Convert to fraction form
   50,105.12/69,146.88 = 27,749.12/x
3. Step 3: Cross multiply
   50,105.12x = 69,146.88 × 27,749.12
4. Step 4: Simplify right side
   50,105.12x = 1,918,765,070.75
5. Step 5: Solve for x
   x = 1,918,765,070.75/50,105.12
6. Step 6: Final answer
   x = 38,294.79