Finding the Fourth Proportional to 5,399.17, 8,098.56 and 3,811.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.17 : 8,098.56 = 3,811.38 : x
2. Step 2: Convert to fraction form
   5,399.17/8,098.56 = 3,811.38/x
3. Step 3: Cross multiply
   5,399.17x = 8,098.56 × 3,811.38
4. Step 4: Simplify right side
   5,399.17x = 30,866,689.61
5. Step 5: Solve for x
   x = 30,866,689.61/5,399.17
6. Step 6: Final answer
   x = 5,716.93