Finding the Fourth Proportional to 8,454.50, 12,687.51 and 2,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,454.50 : 12,687.51 = 2,982.50 : x
2. Step 2: Convert to fraction form
   8,454.50/12,687.51 = 2,982.50/x
3. Step 3: Cross multiply
   8,454.50x = 12,687.51 × 2,982.50
4. Step 4: Simplify right side
   8,454.50x = 37,840,498.58
5. Step 5: Solve for x
   x = 37,840,498.58/8,454.50
6. Step 6: Final answer
   x = 4,475.78