Finding the Fourth Proportional to 9,282.98, 12,808.31 and 5,249.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,282.98 : 12,808.31 = 5,249.89 : x
2. Step 2: Convert to fraction form
   9,282.98/12,808.31 = 5,249.89/x
3. Step 3: Cross multiply
   9,282.98x = 12,808.31 × 5,249.89
4. Step 4: Simplify right side
   9,282.98x = 67,242,208.35
5. Step 5: Solve for x
   x = 67,242,208.35/9,282.98
6. Step 6: Final answer
   x = 7,243.60