Finding the Fourth Proportional to 3,463.56, 5,196.38 and 998.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,463.56 : 5,196.38 = 998.42 : x
2. Step 2: Convert to fraction form
   3,463.56/5,196.38 = 998.42/x
3. Step 3: Cross multiply
   3,463.56x = 5,196.38 × 998.42
4. Step 4: Simplify right side
   3,463.56x = 5,188,138.75
5. Step 5: Solve for x
   x = 5,188,138.75/3,463.56
6. Step 6: Final answer
   x = 1,497.92