Finding the Fourth Proportional to 9,648.83, 14,478.11 and 3,809.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.83 : 14,478.11 = 3,809.54 : x
2. Step 2: Convert to fraction form
   9,648.83/14,478.11 = 3,809.54/x
3. Step 3: Cross multiply
   9,648.83x = 14,478.11 × 3,809.54
4. Step 4: Simplify right side
   9,648.83x = 55,154,970.60
5. Step 5: Solve for x
   x = 55,154,970.60/9,648.83
6. Step 6: Final answer
   x = 5,716.23