Finding the Fourth Proportional to 6,724.89, 10,088.15 and 2,828.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,724.89 : 10,088.15 = 2,828.79 : x
2. Step 2: Convert to fraction form
   6,724.89/10,088.15 = 2,828.79/x
3. Step 3: Cross multiply
   6,724.89x = 10,088.15 × 2,828.79
4. Step 4: Simplify right side
   6,724.89x = 28,537,243.69
5. Step 5: Solve for x
   x = 28,537,243.69/6,724.89
6. Step 6: Final answer
   x = 4,243.53