Finding the Fourth Proportional to 7,168.02, 9,896.69 and 5,486.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,168.02 : 9,896.69 = 5,486.42 : x
2. Step 2: Convert to fraction form
   7,168.02/9,896.69 = 5,486.42/x
3. Step 3: Cross multiply
   7,168.02x = 9,896.69 × 5,486.42
4. Step 4: Simplify right side
   7,168.02x = 54,297,321.03
5. Step 5: Solve for x
   x = 54,297,321.03/7,168.02
6. Step 6: Final answer
   x = 7,574.94