Finding the Fourth Proportional to 83,883.98, 115,715.78 and 49,868.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,883.98 : 115,715.78 = 49,868.28 : x
2. Step 2: Convert to fraction form
   83,883.98/115,715.78 = 49,868.28/x
3. Step 3: Cross multiply
   83,883.98x = 115,715.78 × 49,868.28
4. Step 4: Simplify right side
   83,883.98x = 5,770,546,608.19
5. Step 5: Solve for x
   x = 5,770,546,608.19/83,883.98
6. Step 6: Final answer
   x = 68,792.00