Finding the Fourth Proportional to 81,205.50, 112,074.39 and 47,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,205.50 : 112,074.39 = 47,671.50 : x
2. Step 2: Convert to fraction form
   81,205.50/112,074.39 = 47,671.50/x
3. Step 3: Cross multiply
   81,205.50x = 112,074.39 × 47,671.50
4. Step 4: Simplify right side
   81,205.50x = 5,342,754,282.89
5. Step 5: Solve for x
   x = 5,342,754,282.89/81,205.50
6. Step 6: Final answer
   x = 65,793.01