Finding the Fourth Proportional to 7,968.12, 10,997.82 and 5,168.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,968.12 : 10,997.82 = 5,168.76 : x
2. Step 2: Convert to fraction form
   7,968.12/10,997.82 = 5,168.76/x
3. Step 3: Cross multiply
   7,968.12x = 10,997.82 × 5,168.76
4. Step 4: Simplify right side
   7,968.12x = 56,845,092.10
5. Step 5: Solve for x
   x = 56,845,092.10/7,968.12
6. Step 6: Final answer
   x = 7,134.07