Finding the Fourth Proportional to 80,983.50, 111,766.98 and 47,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,983.50 : 111,766.98 = 47,449.50 : x
2. Step 2: Convert to fraction form
   80,983.50/111,766.98 = 47,449.50/x
3. Step 3: Cross multiply
   80,983.50x = 111,766.98 × 47,449.50
4. Step 4: Simplify right side
   80,983.50x = 5,303,287,317.51
5. Step 5: Solve for x
   x = 5,303,287,317.51/80,983.50
6. Step 6: Final answer
   x = 65,486.02