Finding the Fourth Proportional to 6,843.72, 10,243.71 and 4,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,843.72 : 10,243.71 = 4,864.50 : x
2. Step 2: Convert to fraction form
   6,843.72/10,243.71 = 4,864.50/x
3. Step 3: Cross multiply
   6,843.72x = 10,243.71 × 4,864.50
4. Step 4: Simplify right side
   6,843.72x = 49,830,527.30
5. Step 5: Solve for x
   x = 49,830,527.30/6,843.72
6. Step 6: Final answer
   x = 7,281.20