Finding the Fourth Proportional to 2,096.30, 3,140.85 and 998.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.30 : 3,140.85 = 998.30 : x
2. Step 2: Convert to fraction form
   2,096.30/3,140.85 = 998.30/x
3. Step 3: Cross multiply
   2,096.30x = 3,140.85 × 998.30
4. Step 4: Simplify right side
   2,096.30x = 3,135,510.56
5. Step 5: Solve for x
   x = 3,135,510.56/2,096.30
6. Step 6: Final answer
   x = 1,495.74