Finding the Fourth Proportional to 7,021.30, 9,689.25 and 3,834.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,021.30 : 9,689.25 = 3,834.69 : x
2. Step 2: Convert to fraction form
   7,021.30/9,689.25 = 3,834.69/x
3. Step 3: Cross multiply
   7,021.30x = 9,689.25 × 3,834.69
4. Step 4: Simplify right side
   7,021.30x = 37,155,270.08
5. Step 5: Solve for x
   x = 37,155,270.08/7,021.30
6. Step 6: Final answer
   x = 5,291.79