Finding the Fourth Proportional to 7,150.42, 10,711.03 and 3,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.42 : 10,711.03 = 3,680.38 : x
2. Step 2: Convert to fraction form
   7,150.42/10,711.03 = 3,680.38/x
3. Step 3: Cross multiply
   7,150.42x = 10,711.03 × 3,680.38
4. Step 4: Simplify right side
   7,150.42x = 39,420,660.59
5. Step 5: Solve for x
   x = 39,420,660.59/7,150.42
6. Step 6: Final answer
   x = 5,513.06