Finding the Fourth Proportional to 7,012.18, 9,676.86 and 3,868.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.18 : 9,676.86 = 3,868.48 : x
2. Step 2: Convert to fraction form
   7,012.18/9,676.86 = 3,868.48/x
3. Step 3: Cross multiply
   7,012.18x = 9,676.86 × 3,868.48
4. Step 4: Simplify right side
   7,012.18x = 37,434,739.37
5. Step 5: Solve for x
   x = 37,434,739.37/7,012.18
6. Step 6: Final answer
   x = 5,338.53