Finding the Fourth Proportional to 9,863.24, 14,789.84 and 3,287.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.24 : 14,789.84 = 3,287.12 : x
2. Step 2: Convert to fraction form
   9,863.24/14,789.84 = 3,287.12/x
3. Step 3: Cross multiply
   9,863.24x = 14,789.84 × 3,287.12
4. Step 4: Simplify right side
   9,863.24x = 48,615,978.86
5. Step 5: Solve for x
   x = 48,615,978.86/9,863.24
6. Step 6: Final answer
   x = 4,929.01