Finding the Fourth Proportional to 83,286.50, 114,990.82 and 49,305.92

Step by Step Solution

1. Step 1: Write the proportion equation
   83,286.50 : 114,990.82 = 49,305.92 : x
2. Step 2: Convert to fraction form
   83,286.50/114,990.82 = 49,305.92/x
3. Step 3: Cross multiply
   83,286.50x = 114,990.82 × 49,305.92
4. Step 4: Simplify right side
   83,286.50x = 5,669,728,171.65
5. Step 5: Solve for x
   x = 5,669,728,171.65/83,286.50
6. Step 6: Final answer
   x = 68,075.00