Finding the Fourth Proportional to 82,805, 114,299.70 and 49,270.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,805 : 114,299.70 = 49,270.28 : x
2. Step 2: Convert to fraction form
   82,805/114,299.70 = 49,270.28/x
3. Step 3: Cross multiply
   82,805x = 114,299.70 × 49,270.28
4. Step 4: Simplify right side
   82,805x = 5,631,578,222.92
5. Step 5: Solve for x
   x = 5,631,578,222.92/82,805
6. Step 6: Final answer
   x = 68,010.12