Finding the Fourth Proportional to 7,015.30, 9,681.17 and 3,828.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,015.30 : 9,681.17 = 3,828.62 : x
2. Step 2: Convert to fraction form
   7,015.30/9,681.17 = 3,828.62/x
3. Step 3: Cross multiply
   7,015.30x = 9,681.17 × 3,828.62
4. Step 4: Simplify right side
   7,015.30x = 37,065,554.86
5. Step 5: Solve for x
   x = 37,065,554.86/7,015.30
6. Step 6: Final answer
   x = 5,283.53