Finding the Fourth Proportional to 2,168.41, 3,249.57 and 1,242.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.41 : 3,249.57 = 1,242.58 : x
2. Step 2: Convert to fraction form
   2,168.41/3,249.57 = 1,242.58/x
3. Step 3: Cross multiply
   2,168.41x = 3,249.57 × 1,242.58
4. Step 4: Simplify right side
   2,168.41x = 4,037,850.69
5. Step 5: Solve for x
   x = 4,037,850.69/2,168.41
6. Step 6: Final answer
   x = 1,862.13