Finding the Fourth Proportional to 80,821, 111,532.98 and 47,293.48

Step by Step Solution

1. Step 1: Write the proportion equation
   80,821 : 111,532.98 = 47,293.48 : x
2. Step 2: Convert to fraction form
   80,821/111,532.98 = 47,293.48/x
3. Step 3: Cross multiply
   80,821x = 111,532.98 × 47,293.48
4. Step 4: Simplify right side
   80,821x = 5,274,782,758.97
5. Step 5: Solve for x
   x = 5,274,782,758.97/80,821
6. Step 6: Final answer
   x = 65,265.00