Finding the Fourth Proportional to 2,093.14, 3,140.56 and 997.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.14 : 3,140.56 = 997.20 : x
2. Step 2: Convert to fraction form
   2,093.14/3,140.56 = 997.20/x
3. Step 3: Cross multiply
   2,093.14x = 3,140.56 × 997.20
4. Step 4: Simplify right side
   2,093.14x = 3,131,766.43
5. Step 5: Solve for x
   x = 3,131,766.43/2,093.14
6. Step 6: Final answer
   x = 1,496.20