Finding the Fourth Proportional to 9,882.54, 14,822.39 and 3,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,882.54 : 14,822.39 = 3,308.78 : x
2. Step 2: Convert to fraction form
   9,882.54/14,822.39 = 3,308.78/x
3. Step 3: Cross multiply
   9,882.54x = 14,822.39 × 3,308.78
4. Step 4: Simplify right side
   9,882.54x = 49,044,072.91
5. Step 5: Solve for x
   x = 49,044,072.91/9,882.54
6. Step 6: Final answer
   x = 4,962.70