Finding the Fourth Proportional to 1,342.48, 2,011.89 and 997.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.48 : 2,011.89 = 997.11 : x
2. Step 2: Convert to fraction form
   1,342.48/2,011.89 = 997.11/x
3. Step 3: Cross multiply
   1,342.48x = 2,011.89 × 997.11
4. Step 4: Simplify right side
   1,342.48x = 2,006,086.92
5. Step 5: Solve for x
   x = 2,006,086.92/1,342.48
6. Step 6: Final answer
   x = 1,494.32