Finding the Fourth Proportional to 7,168.12, 9,892.62 and 3,982.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,168.12 : 9,892.62 = 3,982.02 : x
2. Step 2: Convert to fraction form
   7,168.12/9,892.62 = 3,982.02/x
3. Step 3: Cross multiply
   7,168.12x = 9,892.62 × 3,982.02
4. Step 4: Simplify right side
   7,168.12x = 39,392,610.69
5. Step 5: Solve for x
   x = 39,392,610.69/7,168.12
6. Step 6: Final answer
   x = 5,495.53