Finding the Fourth Proportional to 5,911.05, 8,868.12 and 3,447.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911.05 : 8,868.12 = 3,447.96 : x
2. Step 2: Convert to fraction form
   5,911.05/8,868.12 = 3,447.96/x
3. Step 3: Cross multiply
   5,911.05x = 8,868.12 × 3,447.96
4. Step 4: Simplify right side
   5,911.05x = 30,576,923.04
5. Step 5: Solve for x
   x = 30,576,923.04/5,911.05
6. Step 6: Final answer
   x = 5,172.84