Finding the Fourth Proportional to 2,458.67, 3,688.81 and 997.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.67 : 3,688.81 = 997.43 : x
2. Step 2: Convert to fraction form
   2,458.67/3,688.81 = 997.43/x
3. Step 3: Cross multiply
   2,458.67x = 3,688.81 × 997.43
4. Step 4: Simplify right side
   2,458.67x = 3,679,308.82
5. Step 5: Solve for x
   x = 3,679,308.82/2,458.67
6. Step 6: Final answer
   x = 1,496.47