Finding the Fourth Proportional to 9,802.89, 14,706.50 and 3,228.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.89 : 14,706.50 = 3,228.80 : x
2. Step 2: Convert to fraction form
   9,802.89/14,706.50 = 3,228.80/x
3. Step 3: Cross multiply
   9,802.89x = 14,706.50 × 3,228.80
4. Step 4: Simplify right side
   9,802.89x = 47,484,257.52
5. Step 5: Solve for x
   x = 47,484,257.52/9,802.89
6. Step 6: Final answer
   x = 4,843.90