Finding the Fourth Proportional to 9,280.50, 12,801.69 and 6,449.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.50 : 12,801.69 = 6,449.46 : x
2. Step 2: Convert to fraction form
   9,280.50/12,801.69 = 6,449.46/x
3. Step 3: Cross multiply
   9,280.50x = 12,801.69 × 6,449.46
4. Step 4: Simplify right side
   9,280.50x = 82,563,987.59
5. Step 5: Solve for x
   x = 82,563,987.59/9,280.50
6. Step 6: Final answer
   x = 8,896.50