Finding the Fourth Proportional to 9,789.92, 14,682.72 and 2,864.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.92 : 14,682.72 = 2,864.96 : x
2. Step 2: Convert to fraction form
   9,789.92/14,682.72 = 2,864.96/x
3. Step 3: Cross multiply
   9,789.92x = 14,682.72 × 2,864.96
4. Step 4: Simplify right side
   9,789.92x = 42,065,405.49
5. Step 5: Solve for x
   x = 42,065,405.49/9,789.92
6. Step 6: Final answer
   x = 4,296.81