Finding the Fourth Proportional to 12,520.50, 17,273.52 and 8,273.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520.50 : 17,273.52 = 8,273.58 : x
2. Step 2: Convert to fraction form
   12,520.50/17,273.52 = 8,273.58/x
3. Step 3: Cross multiply
   12,520.50x = 17,273.52 × 8,273.58
4. Step 4: Simplify right side
   12,520.50x = 142,913,849.60
5. Step 5: Solve for x
   x = 142,913,849.60/12,520.50
6. Step 6: Final answer
   x = 11,414.39