Finding the Fourth Proportional to 7,026.72, 9,696.12 and 3,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,026.72 : 9,696.12 = 3,882.72 : x
2. Step 2: Convert to fraction form
   7,026.72/9,696.12 = 3,882.72/x
3. Step 3: Cross multiply
   7,026.72x = 9,696.12 × 3,882.72
4. Step 4: Simplify right side
   7,026.72x = 37,647,319.05
5. Step 5: Solve for x
   x = 37,647,319.05/7,026.72
6. Step 6: Final answer
   x = 5,357.74