Finding the Fourth Proportional to 82,245.48, 113,500.92 and 49,969.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,245.48 : 113,500.92 = 49,969.12 : x
2. Step 2: Convert to fraction form
   82,245.48/113,500.92 = 49,969.12/x
3. Step 3: Cross multiply
   82,245.48x = 113,500.92 × 49,969.12
4. Step 4: Simplify right side
   82,245.48x = 5,671,541,091.59
5. Step 5: Solve for x
   x = 5,671,541,091.59/82,245.48
6. Step 6: Final answer
   x = 68,958.70