Finding the Fourth Proportional to 9,863.72, 14,796.35 and 3,289.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.72 : 14,796.35 = 3,289.91 : x
2. Step 2: Convert to fraction form
   9,863.72/14,796.35 = 3,289.91/x
3. Step 3: Cross multiply
   9,863.72x = 14,796.35 × 3,289.91
4. Step 4: Simplify right side
   9,863.72x = 48,678,659.83
5. Step 5: Solve for x
   x = 48,678,659.83/9,863.72
6. Step 6: Final answer
   x = 4,935.12