Finding the Fourth Proportional to 2,229.31, 3,344.73 and 997.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.31 : 3,344.73 = 997.57 : x
2. Step 2: Convert to fraction form
   2,229.31/3,344.73 = 997.57/x
3. Step 3: Cross multiply
   2,229.31x = 3,344.73 × 997.57
4. Step 4: Simplify right side
   2,229.31x = 3,336,602.31
5. Step 5: Solve for x
   x = 3,336,602.31/2,229.31
6. Step 6: Final answer
   x = 1,496.70