Finding the Fourth Proportional to 3,456, 5,192.17 and 1,996.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456 : 5,192.17 = 1,996.18 : x
2. Step 2: Convert to fraction form
   3,456/5,192.17 = 1,996.18/x
3. Step 3: Cross multiply
   3,456x = 5,192.17 × 1,996.18
4. Step 4: Simplify right side
   3,456x = 10,364,487.94
5. Step 5: Solve for x
   x = 10,364,487.94/3,456
6. Step 6: Final answer
   x = 2,998.98