Finding the Fourth Proportional to 2,641.02, 3,960.45 and 997.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.02 : 3,960.45 = 997.53 : x
2. Step 2: Convert to fraction form
   2,641.02/3,960.45 = 997.53/x
3. Step 3: Cross multiply
   2,641.02x = 3,960.45 × 997.53
4. Step 4: Simplify right side
   2,641.02x = 3,950,667.69
5. Step 5: Solve for x
   x = 3,950,667.69/2,641.02
6. Step 6: Final answer
   x = 1,495.89