Finding the Fourth Proportional to 12,280.37, 16,933.50 and 8,294.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.37 : 16,933.50 = 8,294.57 : x
2. Step 2: Convert to fraction form
   12,280.37/16,933.50 = 8,294.57/x
3. Step 3: Cross multiply
   12,280.37x = 16,933.50 × 8,294.57
4. Step 4: Simplify right side
   12,280.37x = 140,456,016.43
5. Step 5: Solve for x
   x = 140,456,016.43/12,280.37
6. Step 6: Final answer
   x = 11,437.44