Finding the Fourth Proportional to 3,337.76, 5,007.18 and 997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337.76 : 5,007.18 = 997.50 : x
2. Step 2: Convert to fraction form
   3,337.76/5,007.18 = 997.50/x
3. Step 3: Cross multiply
   3,337.76x = 5,007.18 × 997.50
4. Step 4: Simplify right side
   3,337.76x = 4,994,662.05
5. Step 5: Solve for x
   x = 4,994,662.05/3,337.76
6. Step 6: Final answer
   x = 1,496.41