Finding the Fourth Proportional to 7,388.82, 10,198.28 and 4,871.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.82 : 10,198.28 = 4,871.37 : x
2. Step 2: Convert to fraction form
   7,388.82/10,198.28 = 4,871.37/x
3. Step 3: Cross multiply
   7,388.82x = 10,198.28 × 4,871.37
4. Step 4: Simplify right side
   7,388.82x = 49,679,570.89
5. Step 5: Solve for x
   x = 49,679,570.89/7,388.82
6. Step 6: Final answer
   x = 6,723.61