Finding the Fourth Proportional to 7,012.16, 9,676.84 and 3,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.16 : 9,676.84 = 3,868.56 : x
2. Step 2: Convert to fraction form
   7,012.16/9,676.84 = 3,868.56/x
3. Step 3: Cross multiply
   7,012.16x = 9,676.84 × 3,868.56
4. Step 4: Simplify right side
   7,012.16x = 37,435,436.15
5. Step 5: Solve for x
   x = 37,435,436.15/7,012.16
6. Step 6: Final answer
   x = 5,338.65