Finding the Fourth Proportional to 7,016.40, 9,682.11 and 3,872.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,016.40 : 9,682.11 = 3,872.61 : x
2. Step 2: Convert to fraction form
   7,016.40/9,682.11 = 3,872.61/x
3. Step 3: Cross multiply
   7,016.40x = 9,682.11 × 3,872.61
4. Step 4: Simplify right side
   7,016.40x = 37,495,036.01
5. Step 5: Solve for x
   x = 37,495,036.01/7,016.40
6. Step 6: Final answer
   x = 5,343.91