Finding the Fourth Proportional to 2,641.37, 3,962.16 and 998.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.37 : 3,962.16 = 998.04 : x
2. Step 2: Convert to fraction form
   2,641.37/3,962.16 = 998.04/x
3. Step 3: Cross multiply
   2,641.37x = 3,962.16 × 998.04
4. Step 4: Simplify right side
   2,641.37x = 3,954,412.77
5. Step 5: Solve for x
   x = 3,954,412.77/2,641.37
6. Step 6: Final answer
   x = 1,497.11