Finding the Fourth Proportional to 7,020.82, 9,688.67 and 3,876.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020.82 : 9,688.67 = 3,876.94 : x
2. Step 2: Convert to fraction form
   7,020.82/9,688.67 = 3,876.94/x
3. Step 3: Cross multiply
   7,020.82x = 9,688.67 × 3,876.94
4. Step 4: Simplify right side
   7,020.82x = 37,562,372.89
5. Step 5: Solve for x
   x = 37,562,372.89/7,020.82
6. Step 6: Final answer
   x = 5,350.14