Finding the Fourth Proportional to 80,297.98, 110,863.20 and 51,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,297.98 : 110,863.20 = 51,630.50 : x
2. Step 2: Convert to fraction form
   80,297.98/110,863.20 = 51,630.50/x
3. Step 3: Cross multiply
   80,297.98x = 110,863.20 × 51,630.50
4. Step 4: Simplify right side
   80,297.98x = 5,723,922,447.60
5. Step 5: Solve for x
   x = 5,723,922,447.60/80,297.98
6. Step 6: Final answer
   x = 71,283.52