Finding the Fourth Proportional to 9,828.47, 14,743.55 and 2,808.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,828.47 : 14,743.55 = 2,808.34 : x
2. Step 2: Convert to fraction form
   9,828.47/14,743.55 = 2,808.34/x
3. Step 3: Cross multiply
   9,828.47x = 14,743.55 × 2,808.34
4. Step 4: Simplify right side
   9,828.47x = 41,404,871.37
5. Step 5: Solve for x
   x = 41,404,871.37/9,828.47
6. Step 6: Final answer
   x = 4,212.75