Finding the Fourth Proportional to 9,802.31, 14,705.48 and 3,228.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.31 : 14,705.48 = 3,228.89 : x
2. Step 2: Convert to fraction form
   9,802.31/14,705.48 = 3,228.89/x
3. Step 3: Cross multiply
   9,802.31x = 14,705.48 × 3,228.89
4. Step 4: Simplify right side
   9,802.31x = 47,482,311.86
5. Step 5: Solve for x
   x = 47,482,311.86/9,802.31
6. Step 6: Final answer
   x = 4,843.99