Finding the Fourth Proportional to 6,821.52, 10,172.03 and 5,991.97

Step by Step Solution

1. Step 1: Write the proportion equation
   6,821.52 : 10,172.03 = 5,991.97 : x
2. Step 2: Convert to fraction form
   6,821.52/10,172.03 = 5,991.97/x
3. Step 3: Cross multiply
   6,821.52x = 10,172.03 × 5,991.97
4. Step 4: Simplify right side
   6,821.52x = 60,950,498.60
5. Step 5: Solve for x
   x = 60,950,498.60/6,821.52
6. Step 6: Final answer
   x = 8,935.03