Finding the Fourth Proportional to 5,308.14, 7,318.35 and 3,538.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.14 : 7,318.35 = 3,538.38 : x
2. Step 2: Convert to fraction form
   5,308.14/7,318.35 = 3,538.38/x
3. Step 3: Cross multiply
   5,308.14x = 7,318.35 × 3,538.38
4. Step 4: Simplify right side
   5,308.14x = 25,895,103.27
5. Step 5: Solve for x
   x = 25,895,103.27/5,308.14
6. Step 6: Final answer
   x = 4,878.38