Finding the Fourth Proportional to 7,036.57, 9,709.81 and 3,892.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,036.57 : 9,709.81 = 3,892.69 : x
2. Step 2: Convert to fraction form
   7,036.57/9,709.81 = 3,892.69/x
3. Step 3: Cross multiply
   7,036.57x = 9,709.81 × 3,892.69
4. Step 4: Simplify right side
   7,036.57x = 37,797,280.29
5. Step 5: Solve for x
   x = 37,797,280.29/7,036.57
6. Step 6: Final answer
   x = 5,371.55